United States Patent and Trademark Office OG Notices: 18 February 2003

                        Notice of Expiration of Patents
                     Due to Failure to Pay Maintenance Fee

   35 U.S.C. 41 and 37 CFR 1.362(g) provide that if the required
maintenance fee and any applicable surcharge are not paid in a patent
requiring such payment, the patent will expire at the end of the 4th, 8th
or 12th anniversary of the grant of the patent depending on the first
maintenance fee which was not paid.
   According to the records of the Office, the patents listed below have
expired due to failure to pay the required maintenance fee and any
applicable surcharge.

                  PATENTS WHICH EXPIRED ON December 25, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

4,979,241                        07/164,854                       12/25/90
4,979,244                        07/471,010                       12/25/90
4,979,250                        07/425,065                       12/25/90
4,979,256                        07/362,103                       12/25/90
4,979,257                        07/341,412                       12/25/90
4,979,274                        07/340,098                       12/25/90
4,979,282                        07/488,402                       12/25/90
4,979,284                        07/382,632                       12/25/90
4,979,290                        07/236,979                       12/25/90
4,979,292                        07/412,541                       12/25/90
4,979,294                        07/380,988                       12/25/90
4,979,298                        07/507,611                       12/25/90
4,979,302                        07/374,993                       12/25/90
4,979,306                        07/461,219                       12/25/90
4,979,307                        07/375,268                       12/25/90
4,979,311                        07/493,332                       12/25/90
4,979,315                        07/388,637                       12/25/90
4,979,317                        07/409,863                       12/25/90
4,979,321                        07/468,893                       12/25/90
4,979,323                        07/419,342                       12/25/90
4,979,342                        07/275,765                       12/25/90
4,979,344                        07/316,655                       12/25/90
4,979,346                        07/384,091                       12/25/90
4,979,347                        07/351,034                       12/25/90
4,979,382                        07/479,063                       12/25/90
4,979,394                        07/232,167                       12/25/90
4,979,397                        07/365,342                       12/25/90
4,979,398                        07/414,795                       12/25/90
4,979,399                        07/511,088                       12/25/90
4,979,400                        07/316,411                       12/25/90
4,979,406                        07/139,294                       12/25/90
4,979,420                        07/468,085                       12/25/90
4,979,422                        07/538,415                       12/25/90
4,979,427                        07/317,912                       12/25/90
4,979,431                        07/430,121                       12/25/90
4,979,435                        07/514,064                       12/25/90
4,979,437                        07/562,538                       12/25/90
4,979,445                        07/302,397                       12/25/90
4,979,454                        07/456,805                       12/25/90
4,979,458                        07/468,179                       12/25/90
4,979,468                        07/217,940                       12/25/90
4,979,475                        07/528,417                       12/25/90
4,979,492                        07/474,181                       12/25/90
4,979,499                        07/357,274                       12/25/90
4,979,502                        07/294,919                       12/25/90
4,979,511                        07/431,095                       12/25/90
4,979,515                        07/258,780                       12/25/90
4,979,520                        07/333,466                       12/25/90
4,979,521                        07/451,669                       12/25/90
4,979,524                        07/305,537                       12/25/90
4,979,528                        07/507,496                       12/25/90
4,979,536                        07/507,921                       12/25/90
4,979,543                        07/438,102                       12/25/90
4,979,548                        07/480,033                       12/25/90
4,979,556                        07/333,298                       12/25/90
4,979,559                        07/479,895                       12/25/90
4,979,561                        07/435,302                       12/25/90
4,979,566                        07/499,050                       12/25/90
4,979,574                        06/781,686                       12/25/90
4,979,581                        07/320,880                       12/25/90
4,979,592                        07/365,537                       12/25/90
4,979,612                        07/430,492                       12/25/90
4,979,615                        07/449,367                       12/25/90
4,979,618                        07/397,268                       12/25/90
4,979,628                        07/372,761                       12/25/90
4,979,639                        07/355,670                       12/25/90
4,979,655                        07/394,222                       12/25/90
4,979,664                        07/436,995                       12/25/90
4,979,666                        07/345,569                       12/25/90
4,979,667                        07/521,429                       12/25/90
4,979,668                        07/464,378                       12/25/90
4,979,673                        06/944,285                       12/25/90
4,979,684                        07/378,796                       12/25/90
4,979,691                        07/423,755                       12/25/90
4,979,692                        07/498,917                       12/25/90
4,979,696                        07/347,312                       12/25/90
4,979,739                        07/388,768                       12/25/90
4,979,746                        07/281,956                       12/25/90
4,979,752                        07/518,188                       12/25/90
4,979,757                        07/439,585                       12/25/90
4,979,761                        07/407,292                       12/25/90
4,979,763                        07/358,875                       12/25/90
4,979,765                        07/403,698                       12/25/90
4,979,769                        07/354,012                       12/25/90
4,979,772                        07/479,990                       12/25/90
4,979,773                        07/256,448                       12/25/90
4,979,774                        07/341,784                       12/25/90
4,979,775                        07/321,988                       12/25/90
4,979,776                        07/471,495                       12/25/90
4,979,784                        07/212,517                       12/25/90
4,979,785                        07/336,818                       12/25/90
4,979,789                        07/360,315                       12/25/90
4,979,791                        07/448,043                       12/25/90
4,979,793                        07/482,579                       12/25/90
4,979,798                        07/423,176                       12/25/90
4,979,804                        07/364,054                       12/25/90
4,979,815                        07/312,635                       12/25/90
4,979,827                        07/313,606                       12/25/90
4,979,830                        07/416,217                       12/25/90
4,979,831                        07/358,701                       12/25/90
4,979,838                        07/385,338                       12/25/90
4,979,845                        07/272,210                       12/25/90
4,979,852                        07/489,836                       12/25/90
4,979,856                        07/464,558                       12/25/90
4,979,866                        07/419,283                       12/25/90
4,979,870                        07/449,304                       12/25/90
4,979,884                        07/475,792                       12/25/90
4,979,885                        07/332,470                       12/25/90
4,979,887                        07/282,279                       12/25/90
4,979,899                        07/196,436                       12/25/90
4,979,905                        07/485,375                       12/25/90
4,979,912                        07/494,257                       12/25/90
4,979,913                        07/427,665                       12/25/90
4,979,914                        07/425,097                       12/25/90
4,979,916                        07/411,872                       12/25/90
4,979,928                        07/407,325                       12/25/90
4,979,932                        07/317,747                       12/25/90
4,979,933                        07/317,603                       12/25/90
4,979,934                        07/355,059                       12/25/90
4,979,935                        07/313,053                       12/25/90
4,979,941                        07/446,396                       12/25/90
4,979,949                        07/186,345                       12/25/90
4,979,956                        07/378,437                       12/25/90
4,979,967                        07/347,509                       12/25/90
4,979,991                        07/408,250                       12/25/90
4,979,993                        07/329,221                       12/25/90
4,979,997                        07/526,517                       12/25/90
4,980,000                        07/466,509                       12/25/90
4,980,001                        07/435,118                       12/25/90
4,980,006                        07/427,324                       12/25/90
4,980,011                        07/148,845                       12/25/90
4,980,019                        07/387,081                       12/25/90
4,980,024                        07/351,709                       12/25/90
4,980,028                        06/815,181                       12/25/90
4,980,032                        07/231,849                       12/25/90
4,980,033                        07/577,323                       12/25/90
4,980,034                        07/333,179                       12/25/90
4,980,043                        07/124,903                       12/25/90
4,980,046                        07/458,267                       12/25/90
4,980,049                        07/206,237                       12/25/90
4,980,050                        07/206,241                       12/25/90
4,980,065                        07/423,333                       12/25/90
4,980,067                        07/276,831                       12/25/90
4,980,069                        07/326,666                       12/25/90
4,980,076                        07/403,625                       12/25/90
4,980,080                        07/359,333                       12/25/90
4,980,082                        07/091,660                       12/25/90
4,980,084                        07/253,446                       12/25/90
4,980,086                        07/469,674                       12/25/90
4,980,089                        07/378,945                       12/25/90
4,980,092                        07/336,031                       12/25/90
4,980,097                        07/378,760                       12/25/90
4,980,105                        07/399,651                       12/25/90
4,980,124                        07/373,333                       12/25/90
4,980,125                        07/438,740                       12/25/90
4,980,134                        06/905,690                       12/25/90
4,980,136                        07/380,089                       12/25/90
4,980,173                        07/371,085                       12/25/90
4,980,175                        07/293,194                       12/25/90
4,980,197                        06/853,338                       12/25/90
4,980,207                        07/385,212                       12/25/90
4,980,217                        07/226,013                       12/25/90
4,980,224                        07/215,774                       12/25/90
4,980,233                        07/206,634                       12/25/90
4,980,238                        07/236,807                       12/25/90
4,980,239                        07/235,595                       12/25/90
4,980,241                        07/346,891                       12/25/90
4,980,248                        07/375,688                       12/25/90
4,980,255                        07/332,561                       12/25/90
4,980,264                        06/809,948                       12/25/90
4,980,269                        07/192,641                       12/25/90
4,980,272                        07/378,775                       12/25/90
4,980,277                        07/109,495                       12/25/90
4,980,284                        07/528,755                       12/25/90
4,980,287                        07/340,097                       12/25/90
4,980,290                        07/106,310                       12/25/90
4,980,293                        07/240,170                       12/25/90
4,980,300                        07/275,864                       12/25/90
4,980,302                        07/446,364                       12/25/90
4,980,305                        07/372,424                       12/25/90
4,980,309                        07/366,795                       12/25/90
4,980,310                        07/412,742                       12/25/90
4,980,313                        07/461,293                       12/25/90
4,980,314                        07/362,128                       12/25/90
4,980,317                        07/326,352                       12/25/90
4,980,322                        07/377,778                       12/25/90
4,980,327                        07/489,442                       12/25/90
4,980,334                        07/406,494                       12/25/90
4,980,344                        07/203,480                       12/25/90
4,980,356                        07/449,810                       12/25/90
4,980,359                        07/507,702                       12/25/90
4,980,365                        07/072,954                       12/25/90
4,980,370                        07/371,461                       12/25/90
4,980,384                        07/395,638                       12/25/90
4,980,386                        07/344,756                       12/25/90
4,980,390                        07/462,901                       12/25/90
4,980,392                        07/397,404                       12/25/90
4,980,396                        07/359,812                       12/25/90
4,980,399                        07/474,259                       12/25/90
4,980,403                        07/127,661                       12/25/90
4,980,404                        07/319,888                       12/25/90
4,980,407                        07/424,614                       12/25/90
4,980,412                        07/441,751                       12/25/90
4,980,413                        07/471,449                       12/25/90
4,980,427                        07/307,908                       12/25/90
4,980,436                        07/464,145                       12/25/90
4,980,438                        07/335,736                       12/25/90
4,980,439                        07/412,706                       12/25/90
4,980,445                        07/298,074                       12/25/90
4,980,449                        07/219,290                       12/25/90
4,980,454                        07/338,024                       12/25/90
4,980,464                        07/373,594                       12/25/90
4,980,465                        07/412,726                       12/25/90
4,980,475                        06/716,501                       12/25/90
4,980,477                        07/517,527                       12/25/90
4,980,478                        07/333,082                       12/25/90
4,980,481                        07/167,597                       12/25/90
4,980,484                        07/493,049                       12/25/90
4,980,508                        07/308,483                       12/25/90
4,980,512                        07/421,330                       12/25/90
4,980,519                        07/487,660                       12/25/90
4,980,521                        07/313,523                       12/25/90
4,980,522                        07/464,674                       12/25/90
4,980,526                        07/334,310                       12/25/90
4,980,536                        07/474,561                       12/25/90
4,980,552                        07/368,707                       12/25/90
4,980,570                        07/483,631                       12/25/90
4,980,573                        07/413,869                       12/25/90
4,980,584                        07/258,135                       12/25/90
4,980,595                        07/346,336                       12/25/90
4,980,598                        07/454,402                       12/25/90
4,980,604                        07/370,215                       12/25/90
4,980,611                        07/472,595                       12/25/90
4,980,618                        07/385,195                       12/25/90
4,980,629                        07/319,708                       12/25/90
4,980,635                        06/686,335                       12/25/90
4,980,637                        07/249,481                       12/25/90
4,980,643                        07/413,578                       12/25/90
4,980,645                        07/489,800                       12/25/90
4,980,650                        07/392,635                       12/25/90
4,980,654                        07/505,619                       12/25/90
4,980,655                        07/517,765                       12/25/90
4,980,658                        07/403,210                       12/25/90
4,980,660                        07/206,855                       12/25/90
4,980,664                        07/490,474                       12/25/90
4,980,670                        07/117,210                       12/25/90
4,980,673                        07/061,168                       12/25/90
4,980,682                        07/387,233                       12/25/90
4,980,683                        07/431,406                       12/25/90
4,980,691                        07/353,431                       12/25/90
4,980,693                        07/317,882                       12/25/90
4,980,695                        07/440,506                       12/25/90
4,980,696                        07/341,907                       12/25/90
4,980,707                        07/491,094                       12/25/90
4,980,709                        07/492,037                       12/25/90
4,980,725                        07/295,393                       12/25/90
4,980,726                        07/344,960                       12/25/90
4,980,732                        07/259,002                       12/25/90
4,980,733                        07/285,939                       12/25/90
4,980,734                        07/455,900                       12/25/90
4,980,739                        07/463,896                       12/25/90
4,980,745                        07/523,178                       12/25/90
4,980,751                        07/383,224                       12/25/90
4,980,772                        07/353,275                       12/25/90
4,980,781                        07/235,014                       12/25/90
4,980,784                        07/360,000                       12/25/90
4,980,793                        07/492,235                       12/25/90
4,980,804                        07/328,937                       12/25/90
4,980,807                        07/340,871                       12/25/90
4,980,816                        07/285,622                       12/25/90
4,980,821                        07/031,473                       12/25/90
4,980,824                        07/298,291                       12/25/90
4,980,829                        07/166,519                       12/25/90
4,980,830                        07/368,803                       12/25/90
4,980,831                        07/437,845                       12/25/90
4,980,839                        07/305,686                       12/25/90
4,980,840                        07/244,012                       12/25/90
4,980,846                        07/178,720                       12/25/90
4,980,853                        07/164,268                       12/25/90
4,980,872                        07/431,954                       12/25/90
4,980,876                        07/252,768                       12/25/90
4,980,882                        07/277,537                       12/25/90
4,980,909                        07/430,250                       12/25/90
4,980,917                        07/289,540                       12/25/90
4,980,918                        06/732,472                       12/25/90
4,980,922                        07/200,599                       12/25/90
4,980,925                        07/293,159                       12/25/90

                  PATENTS WHICH EXPIRED ON December 20, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

5,373,584                        08/020,196                       12/20/94
5,373,585                        08/002,649                       12/20/94
5,373,591                        07/939,931                       12/20/94
5,373,593                        08/045,592                       12/20/94
5,373,601                        07/944,402                       12/20/94
5,373,609                        08/094,885                       12/20/94
5,373,611                        08/066,194                       12/20/94
5,373,614                        08/050,257                       12/20/94
5,373,617                        08/051,622                       12/20/94
5,373,650                        08/164,423                       12/20/94
5,373,653                        07/768,221                       12/20/94
5,373,654                        08/138,990                       12/20/94
5,373,655                        08/022,845                       12/20/94
5,373,657                        08/155,949                       12/20/94
5,373,671                        07/842,099                       12/20/94
5,373,681                        07/998,728                       12/20/94
5,373,687                        08/159,746                       12/20/94
5,373,688                        08/201,415                       12/20/94
5,373,692                        08/192,538                       12/20/94
5,373,700                        08/016,621                       12/20/94
5,373,710                        08/144,149                       12/20/94
5,373,716                        07/961,643                       12/20/94
5,373,717                        08/120,078                       12/20/94
5,373,722                        07/957,397                       12/20/94
5,373,724                        08/155,403                       12/20/94
5,373,736                        07/850,381                       12/20/94
5,373,738                        08/011,590                       12/20/94
5,373,744                        07/720,196                       12/20/94
5,373,748                        08/101,260                       12/20/94
5,373,749                        08/056,021                       12/20/94
5,373,751                        08/039,727                       12/20/94
5,373,754                        08/090,264                       12/20/94
5,373,755                        08/099,945                       12/20/94
5,373,756                        07/967,210                       12/20/94
5,373,758                        08/026,113                       12/20/94
5,373,759                        08/240,851                       12/20/94
5,373,763                        08/040,984                       12/20/94
5,373,764                        07/948,154                       12/20/94
5,373,767                        08/047,441                       12/20/94
5,373,778                        08/192,279                       12/20/94
5,373,781                        08/040,522                       12/20/94
5,373,782                        08/233,935                       12/20/94
5,373,786                        08/071,779                       12/20/94
5,373,787                        08/082,592                       12/20/94
5,373,793                        08/009,545                       12/20/94
5,373,798                        08/188,603                       12/20/94
5,373,800                        08/009,444                       12/20/94
5,373,802                        07/941,671                       12/20/94
5,373,805                        07/961,764                       12/20/94
5,373,809                        08/224,505                       12/20/94
5,373,814                        08/151,544                       12/20/94
5,373,821                        07/821,925                       12/20/94
5,373,825                        08/030,360                       12/20/94
5,373,828                        07/944,789                       12/20/94
5,373,831                        08/070,762                       12/20/94
5,373,838                        08/089,133                       12/20/94
5,373,841                        07/830,944                       12/20/94
5,373,843                        08/201,772                       12/20/94
5,373,846                        08/142,653                       12/20/94
5,373,854                        08/092,236                       12/20/94
5,373,858                        08/089,787                       12/20/94
5,373,865                        08/084,215                       12/20/94
5,373,867                        08/127,894                       12/20/94
5,373,884                        08/103,320                       12/20/94
5,373,887                        08/077,635                       12/20/94
5,373,892                        08/131,363                       12/20/94
5,373,904                        08/009,961                       12/20/94
5,373,907                        08/009,215                       12/20/94
5,373,910                        08/045,523                       12/20/94
5,373,913                        08/084,007                       12/20/94
5,373,921                        08/149,564                       12/20/94
5,373,925                        08/030,269                       12/20/94
5,373,926                        08/113,176                       12/20/94
5,373,930                        08/136,297                       12/20/94
5,373,933                        08/149,324                       12/20/94
5,373,934                        08/165,371                       12/20/94
5,373,937                        08/255,350                       12/20/94
5,373,945                        08/168,084                       12/20/94
5,373,949                        08/117,735                       12/20/94
5,373,950                        08/123,051                       12/20/94
5,373,958                        08/036,152                       12/20/94
5,373,962                        08/265,253                       12/20/94
5,373,965                        08/064,090                       12/20/94
5,373,968                        08/214,195                       12/20/94
5,373,973                        08/227,565                       12/20/94
5,373,975                        07/923,101                       12/20/94
5,373,976                        08/048,669                       12/20/94
5,373,977                        08/086,425                       12/20/94
5,373,978                        07/943,907                       12/20/94
5,373,982                        08/068,235                       12/20/94
5,373,984                        08/127,397                       12/20/94
5,373,987                        08/152,123                       12/20/94
5,373,988                        07/804,728                       12/20/94
5,373,991                        08/045,631                       12/20/94
5,373,995                        08/111,757                       12/20/94
5,374,009                        08/123,960                       12/20/94
5,374,011                        07/791,899                       12/20/94
5,374,016                        08/077,544                       12/20/94
5,374,019                        07/956,250                       12/20/94
5,374,024                        08/178,100                       12/20/94
5,374,028                        08/181,424                       12/20/94
5,374,033                        07/958,360                       12/20/94
5,374,035                        08/070,520                       12/20/94
5,374,040                        08/151,734                       12/20/94
5,374,042                        08/141,562                       12/20/94
5,374,043                        08/129,480                       12/20/94
5,374,046                        07/872,964                       12/20/94
5,374,049                        08/250,215                       12/20/94
5,374,052                        08/175,766                       12/20/94
5,374,056                        08/139,989                       12/20/94
5,374,062                        08/149,609                       12/20/94
5,374,064                        08/096,299                       12/20/94
5,374,068                        07/981,520                       12/20/94
5,374,077                        08/002,601                       12/20/94
5,374,080                        07/868,025                       12/20/94
5,374,092                        07/899,993                       12/20/94
5,374,101                        07/921,555                       12/20/94
5,374,106                        08/129,364                       12/20/94
5,374,109                        08/083,053                       12/20/94
5,374,112                        08/173,870                       12/20/94
5,374,113                        08/068,673                       12/20/94
5,374,116                        08/054,390                       12/20/94
5,374,127                        08/165,831                       12/20/94
5,374,129                        08/213,785                       12/20/94
5,374,135                        08/105,386                       12/20/94
5,374,139                        07/934,323                       12/20/94
5,374,140                        07/969,178                       12/20/94
5,374,143                        08/150,547                       12/20/94
5,374,151                        07/728,670                       12/20/94
5,374,155                        08/100,213                       12/20/94
5,374,158                        07/910,116                       12/20/94
5,374,168                        08/135,985                       12/20/94
5,374,170                        07/907,035                       12/20/94
5,374,171                        08/225,531                       12/20/94
5,374,175                        07/734,413                       12/20/94
5,374,183                        07/974,875                       12/20/94
5,374,184                        08/222,393                       12/20/94
5,374,187                        08/146,740                       12/20/94
5,374,198                        08/136,611                       12/20/94
5,374,204                        08/159,903                       12/20/94
5,374,221                        07/805,981                       12/20/94
5,374,222                        08/200,596                       12/20/94
5,374,226                        07/869,327                       12/20/94
5,374,229                        08/056,758                       12/20/94
5,374,232                        08/115,222                       12/20/94
5,374,236                        07/848,306                       12/20/94
5,374,237                        07/919,961                       12/20/94
5,374,248                        07/997,030                       12/20/94
5,374,254                        07/845,163                       12/20/94
5,374,255                        08/223,051                       12/20/94
5,374,271                        08/021,563                       12/20/94
5,374,272                        08/084,556                       12/20/94
5,374,284                        08/188,940                       12/20/94
5,374,295                        08/026,150                       12/20/94
5,374,303                        08/035,375                       12/20/94
5,374,304                        08/145,718                       12/20/94
5,374,307                        08/077,957                       12/20/94
5,374,311                        08/167,056                       12/20/94
5,374,314                        08/183,609                       12/20/94
5,374,322                        08/087,293                       12/20/94
5,374,326                        08/092,890                       12/20/94
5,374,331                        08/034,520                       12/20/94
5,374,333                        07/922,334                       12/20/94
5,374,338                        08/143,819                       12/20/94
5,374,339                        08/136,020                       12/20/94
5,374,342                        08/034,276                       12/20/94
5,374,344                        08/097,810                       12/20/94
5,374,345                        08/100,292                       12/20/94
5,374,349                        07/757,837                       12/20/94
5,374,352                        08/041,767                       12/20/94
5,374,353                        08/048,303                       12/20/94
5,374,356                        07/920,973                       12/20/94
5,374,364                        08/115,839                       12/20/94
5,374,365                        07/870,280                       12/20/94
5,374,366                        08/019,304                       12/20/94
5,374,377                        08/006,312                       12/20/94
5,374,378                        08/006,029                       12/20/94
5,374,379                        07/944,974                       12/20/94
5,374,385                        07/981,653                       12/20/94
5,374,394                        08/023,048                       12/20/94
5,374,397                        08/144,198                       12/20/94
5,374,398                        07/821,035                       12/20/94
5,374,401                        08/080,333                       12/20/94
5,374,407                        08/049,852                       12/20/94
5,374,414                        07/710,860                       12/20/94
5,374,416                        07/924,016                       12/20/94
5,374,419                        07/994,069                       12/20/94
5,374,420                        08/007,467                       12/20/94
5,374,423                        08/113,272                       12/20/94
5,374,425                        08/054,470                       12/20/94
5,374,426                        07/429,147                       12/20/94
5,374,428                        08/035,600                       12/20/94
5,374,431                        07/988,754                       12/20/94
5,374,437                        08/145,513                       12/20/94
5,374,438                        07/964,314                       12/20/94
5,374,440                        07/996,419                       12/20/94
5,374,447                        08/163,120                       12/20/94
5,374,454                        08/013,652                       12/20/94
5,374,462                        07/651,262                       12/20/94
5,374,463                        07/781,512                       12/20/94
5,374,465                        08/116,128                       12/20/94
5,374,468                        08/220,479                       12/20/94
5,374,478                        07/899,904                       12/20/94
5,374,481                        08/102,399                       12/20/94
5,374,488                        07/916,162                       12/20/94
5,374,491                        08/100,227                       12/20/94
5,374,493                        07/918,310                       12/20/94
5,374,495                        07/963,269                       12/20/94
5,374,497                        08/115,290                       12/20/94
5,374,498                        08/061,310                       12/20/94
5,374,500                        08/041,460                       12/20/94
5,374,503                        08/047,642                       12/20/94
5,374,505                        08/107,350                       12/20/94
5,374,509                        08/237,801                       12/20/94
5,374,515                        07/974,740                       12/20/94
5,374,532                        07/936,400                       12/20/94
5,374,542                        08/039,482                       12/20/94
5,374,568                        08/125,986                       12/20/94
5,374,570                        08/109,109                       12/20/94
5,374,573                        08/200,591                       12/20/94
5,374,583                        08/249,308                       12/20/94
5,374,585                        08/239,788                       12/20/94
5,374,586                        08/127,053                       12/20/94
5,374,598                        07/989,151                       12/20/94
5,374,600                        08/126,731                       12/20/94
5,374,602                        07/983,709                       12/20/94
5,374,603                        08/052,446                       12/20/94
5,374,611                        07/956,844                       12/20/94
5,374,614                        08/068,680                       12/20/94
5,374,617                        07/882,202                       12/20/94
5,374,621                        07/760,080                       12/20/94
5,374,632                        07/931,644                       12/20/94
5,374,634                        08/084,480                       12/20/94
5,374,635                        08/037,862                       12/20/94
5,374,638                        08/034,456                       12/20/94
5,374,648                        08/047,429                       12/20/94
5,374,649                        08/047,430                       12/20/94
5,374,672                        08/108,559                       12/20/94
5,374,674                        08/238,607                       12/20/94
5,374,678                        08/005,936                       12/20/94
5,374,679                        08/220,631                       12/20/94
5,374,681                        08/177,388                       12/20/94
5,374,686                        08/221,112                       12/20/94
5,374,688                        07/994,634                       12/20/94
5,374,689                        08/053,970                       12/20/94
5,374,703                        08/090,636                       12/20/94
5,374,704                        08/166,760                       12/20/94
5,374,712                        07/897,987                       12/20/94
5,374,721                        07/961,008                       12/20/94
5,374,723                        08/038,073                       12/20/94
5,374,724                        07/970,189                       12/20/94
5,374,733                        08/002,987                       12/20/94
5,374,735                        08/166,026                       12/20/94
5,374,737                        08/153,782                       12/20/94
5,374,738                        08/156,173                       12/20/94
5,374,744                        07/937,848                       12/20/94
5,374,745                        07/930,506                       12/20/94
5,374,750                        08/114,189                       12/20/94
5,374,756                        08/155,895                       12/20/94
5,374,758                        08/096,259                       12/20/94
5,374,760                        08/213,396                       12/20/94
5,374,769                        07/996,457                       12/20/94
5,374,774                        08/186,747                       12/20/94
5,374,777                        08/120,205                       12/20/94
5,374,781                        07/968,424                       12/20/94
5,374,782                        08/084,461                       12/20/94
5,374,790                        07/969,085                       12/20/94
5,374,793                        08/102,783                       12/20/94
5,374,800                        08/154,559                       12/20/94
5,374,801                        08/153,933                       12/20/94
5,374,803                        07/856,166                       12/20/94
5,374,806                        08/080,762                       12/20/94
5,374,807                        07/963,560                       12/20/94
5,374,809                        08/060,947                       12/20/94
5,374,815                        08/031,580                       12/20/94
5,374,818                        07/848,242                       12/20/94
5,374,822                        07/691,052                       12/20/94
5,374,834                        08/134,965                       12/20/94
5,374,841                        08/180,005                       12/20/94
5,374,849                        08/026,672                       12/20/94
5,374,866                        08/094,269                       12/20/94
5,374,869                        07/968,590                       12/20/94
5,374,870                        07/902,017                       12/20/94
5,374,871                        07/917,563                       12/20/94
5,374,877                        08/095,554                       12/20/94
5,374,880                        08/223,220                       12/20/94
5,374,882                        08/087,749                       12/20/94
5,374,888                        07/937,790                       12/20/94
5,374,894                        07/932,433                       12/20/94
5,374,895                        08/090,588                       12/20/94
5,374,903                        07/185,015                       12/20/94
5,374,911                        08/051,027                       12/20/94
5,374,915                        08/040,841                       12/20/94
5,374,920                        07/975,691                       12/20/94
5,374,922                        07/960,710                       12/20/94
5,374,924                        08/022,788                       12/20/94
5,374,928                        07/445,705                       12/20/94
5,374,929                        07/981,182                       12/20/94
5,374,935                        08/021,485                       12/20/94
5,374,940                        07/710,221                       12/20/94
5,374,942                        08/105,901                       12/20/94
5,374,943                        07/843,603                       12/20/94
5,374,951                        08/089,672                       12/20/94
5,374,955                        08/160,806                       12/20/94
5,374,965                        07/799,454                       12/20/94
5,374,968                        08/148,479                       12/20/94
5,374,969                        08/154,742                       12/20/94
5,374,978                        08/093,312                       12/20/94
5,374,982                        08/180,589                       12/20/94
5,374,985                        07/815,770                       12/20/94
5,374,991                        07/676,806                       12/20/94
5,374,992                        07/963,493                       12/20/94
5,374,994                        08/118,781                       12/20/94
5,374,997                        07/922,421                       12/20/94
5,375,003                        08/130,870                       12/20/94
5,375,007                        08/099,641                       12/20/94
5,375,011                        08/107,640                       12/20/94
5,375,016                        07/480,024                       12/20/94
5,375,022                        08/103,500                       12/20/94
5,375,023                        07/998,171                       12/20/94
5,375,026                        07/998,725                       12/20/94
5,375,028                        07/942,152                       12/20/94
5,375,029                        08/120,361                       12/20/94
5,375,039                        08/127,150                       12/20/94
5,375,040                        07/954,537                       12/20/94
5,375,041                        07/985,175                       12/20/94
5,375,054                        08/192,624                       12/20/94
5,375,056                        07/869,664                       12/20/94
5,375,060                        08/032,097                       12/20/94
5,375,067                        07/989,334                       12/20/94
5,375,070                        08/024,572                       12/20/94
5,375,073                        08/131,742                       12/20/94
5,375,075                        07/881,471                       12/20/94
5,375,082                        08/129,001                       12/20/94
5,375,084                        08/148,955                       12/20/94
5,375,091                        08/163,803                       12/20/94
5,375,092                        08/073,302                       12/20/94
5,375,096                        07/932,345                       12/20/94
5,375,100                        08/102,941                       12/20/94
5,375,102                        07/856,464                       12/20/94
5,375,103                        08/205,263                       12/20/94
5,375,112                        07/984,482                       12/20/94
5,375,125                        07/882,471                       12/20/94
5,375,128                        07/600,034                       12/20/94
5,375,137                        07/932,181                       12/20/94
5,375,154                        08/046,290                       12/20/94
5,375,160                        08/068,740                       12/20/94
5,375,162                        07/805,644                       12/20/94
5,375,165                        08/068,720                       12/20/94
5,375,166                        07/832,121                       12/20/94
5,375,194                        08/101,822                       12/20/94
5,375,231                        07/767,390                       12/20/94
5,375,245                        08/020,374                       12/20/94
5,375,247                        07/635,183                       12/20/94
5,375,256                        07/940,080                       12/20/94
5,375,260                        07/638,700                       12/20/94

                  PATENTS WHICH EXPIRED ON December 22, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

5,850,634                        08/990,621                       12/22/98
5,850,636                        09/001,441                       12/22/98
5,850,638                        08/988,655                       12/22/98
5,850,644                        08/518,807                       12/22/98
5,850,656                        08/723,428                       12/22/98
5,850,660                        08/590,406                       12/22/98
5,850,661                        08/754,937                       12/22/98
5,850,667                        08/785,586                       12/22/98
5,850,670                        08/986,664                       12/22/98
5,850,673                        08/627,091                       12/22/98
5,850,675                        08/820,673                       12/22/98
5,850,680                        09/015,109                       12/22/98
5,850,684                        08/385,814                       12/22/98
5,850,685                        08/901,976                       12/22/98
5,850,686                        08/591,937                       12/22/98
5,850,696                        08/924,175                       12/22/98
5,850,697                        08/821,213                       12/22/98
5,850,699                        08/711,596                       12/22/98
5,850,704                        08/821,580                       12/22/98
5,850,709                        08/980,180                       12/22/98
5,850,714                        08/870,038                       12/22/98
5,850,716                        08/937,230                       12/22/98
5,850,721                        08/866,500                       12/22/98
5,850,724                        08/612,587                       12/22/98
5,850,728                        08/704,709                       12/22/98
5,850,731                        08/896,232                       12/22/98
5,850,739                        08/737,883                       12/22/98
5,850,753                        08/541,198                       12/22/98
5,850,754                        08/967,428                       12/22/98
5,850,756                        08/904,823                       12/22/98
5,850,759                        08/773,868                       12/22/98
5,850,762                        08/645,423                       12/22/98
5,850,767                        08/517,268                       12/22/98
5,850,774                        08/668,319                       12/22/98
5,850,778                        08/894,075                       12/22/98
5,850,779                        08/963,207                       12/22/98
5,850,784                        08/935,132                       12/22/98
5,850,792                        08/908,272                       12/22/98
5,850,793                        08/678,962                       12/22/98
5,850,795                        08/990,131                       12/22/98
5,850,797                        08/985,418                       12/22/98
5,850,805                        08/920,664                       12/22/98
5,850,807                        08/895,219                       12/22/98
5,850,808                        08/949,423                       12/22/98
5,850,810                        08/711,170                       12/22/98
5,850,814                        09/056,358                       12/22/98
5,850,818                        08/707,251                       12/22/98
5,850,828                        09/049,209                       12/22/98
5,850,832                        08/880,798                       12/22/98
5,850,840                        08/772,335                       12/22/98
5,850,843                        08/878,059                       12/22/98
5,850,856                        08/732,743                       12/22/98
5,850,858                        08/954,021                       12/22/98
5,850,867                        08/843,166                       12/22/98
5,850,868                        08/609,673                       12/22/98
5,850,869                        08/776,466                       12/22/98
5,850,883                        08/855,007                       12/22/98
5,850,890                        08/732,249                       12/22/98
5,850,891                        08/961,566                       12/22/98
5,850,906                        08/691,993                       12/22/98
5,850,911                        08/923,544                       12/22/98
5,850,915                        08/961,460                       12/22/98
5,850,916                        08/894,685                       12/22/98
5,850,917                        08/779,967                       12/22/98
5,850,922                        08/649,206                       12/22/98
5,850,940                        08/729,509                       12/22/98
5,850,944                        08/557,559                       12/22/98
5,850,945                        08/740,294                       12/22/98
5,850,949                        08/835,322                       12/22/98
5,850,952                        08/669,558                       12/22/98
5,850,955                        08/978,624                       12/22/98
5,850,958                        08/783,208                       12/22/98
5,850,961                        08/777,015                       12/22/98
5,850,962                        08/859,176                       12/22/98
5,850,963                        08/853,987                       12/22/98
5,850,967                        09/031,427                       12/22/98
5,850,970                        08/839,850                       12/22/98
5,850,971                        08/828,315                       12/22/98
5,850,981                        08/368,019                       12/22/98
5,850,984                        08/816,041                       12/22/98
5,850,987                        09/127,190                       12/22/98
5,850,988                        08/700,238                       12/22/98
5,850,996                        08/611,492                       12/22/98
5,850,999                        08/689,671                       12/22/98
5,851,007                        08/753,187                       12/22/98
5,851,010                        08/980,880                       12/22/98
5,851,012                        08/886,200                       12/22/98
5,851,015                        08/823,000                       12/22/98
5,851,017                        08/742,804                       12/22/98
5,851,023                        08/756,379                       12/22/98
5,851,025                        08/770,338                       12/22/98
5,851,029                        09/002,621                       12/22/98
5,851,031                        08/730,521                       12/22/98
5,851,032                        08/619,551                       12/22/98
5,851,037                        08/843,869                       12/22/98
5,851,047                        08/832,420                       12/22/98
5,851,069                        08/907,956                       12/22/98
5,851,078                        08/767,943                       12/22/98
5,851,098                        08/969,549                       12/22/98
5,851,105                        08/837,031                       12/22/98
5,851,107                        08/885,264                       12/22/98
5,851,108                        08/372,962                       12/22/98
5,851,112                        08/903,792                       12/22/98
5,851,116                        08/813,285                       12/22/98
5,851,120                        08/806,363                       12/22/98
5,851,121                        08/829,109                       12/22/98
5,851,124                        08/711,008                       12/22/98
5,851,127                        08/794,444                       12/22/98
5,851,129                        08/915,935                       12/22/98
5,851,130                        08/992,138                       12/22/98
5,851,143                        08/644,534                       12/22/98
5,851,145                        08/844,560                       12/22/98
5,851,151                        08/822,914                       12/22/98
5,851,152                        08/829,957                       12/22/98
5,851,154                        08/562,447                       12/22/98
5,851,157                        08/653,240                       12/22/98
5,851,158                        08/833,038                       12/22/98
5,851,163                        08/825,056                       12/22/98
5,851,164                        08/835,643                       12/22/98
5,851,165                        09/089,852                       12/22/98
5,851,167                        08/859,859                       12/22/98
5,851,172                        08/436,075                       12/22/98
5,851,173                        08/819,603                       12/22/98
5,851,177                        09/063,854                       12/22/98
5,851,188                        08/512,333                       12/22/98
5,851,195                        08/443,149                       12/22/98
5,851,234                        08/816,485                       12/22/98
5,851,236                        08/911,506                       12/22/98
5,851,240                        08/860,761                       12/22/98
5,851,250                        08/778,030                       12/22/98
5,851,253                        08/734,008                       12/22/98
5,851,264                        08/605,132                       12/22/98
5,851,266                        08/880,879                       12/22/98
5,851,276                        08/922,605                       12/22/98
5,851,282                        08/849,641                       12/22/98
5,851,286                        08/763,888                       12/22/98
5,851,288                        07/986,771                       12/22/98
5,851,305                        08/703,954                       12/22/98
5,851,307                        08/842,092                       12/22/98
5,851,309                        08/638,481                       12/22/98
5,851,317                        08/792,285                       12/22/98
5,851,339                        08/796,956                       12/22/98
5,851,341                        08/546,799                       12/22/98
5,851,347                        08/825,895                       12/22/98
5,851,356                        08/839,852                       12/22/98
5,851,358                        08/832,202                       12/22/98
5,851,362                        08/863,668                       12/22/98
5,851,368                        08/818,742                       12/22/98
5,851,378                        08/737,944                       12/22/98
5,851,384                        08/666,212                       12/22/98
5,851,385                        08/841,374                       12/22/98
5,851,388                        08/764,106                       12/22/98
5,851,389                        08/806,201                       12/22/98
5,851,391                        09/008,864                       12/22/98
5,851,396                        08/750,366                       12/22/98
5,851,402                        08/950,977                       12/22/98
5,851,415                        08/856,516                       12/22/98
5,851,417                        08/524,651                       12/22/98
5,851,422                        08/797,138                       12/22/98
5,851,423                        08/861,548                       12/22/98
5,851,426                        08/873,667                       12/22/98
5,851,440                        08/717,236                       12/22/98
5,851,452                        08/586,731                       12/22/98
5,851,460                        08/799,643                       12/22/98
5,851,461                        08/801,098                       12/22/98
5,851,477                        08/778,947                       12/22/98
5,851,488                        08/608,693                       12/22/98
5,851,498                        08/759,341                       12/22/98
5,851,502                        08/673,136                       12/22/98
5,851,539                        08/736,491                       12/22/98
5,851,549                        08/549,747                       12/22/98
5,851,551                        08/262,961                       12/22/98
5,851,553                        08/772,024                       12/22/98
5,851,554                        08/578,240                       12/22/98
5,851,555                        08/914,339                       12/22/98
5,851,561                        08/891,651                       12/22/98
5,851,563                        08/829,503                       12/22/98
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