United States Patent and Trademark Office OG Notices: 26 February 2002

                        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 26, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date


4,888,826                          07/269,054                     12/26/89
4,888,835                          07/293,636                     12/26/89
4,888,843                          07/263,179                     12/26/89
4,888,845                          07/182,140                     12/26/89
4,888,854                          07/339,537                     12/26/89
4,888,864                          07/357,129                     12/26/89
4,888,872                          07/244,507                     12/26/89
4,888,880                          07/295,266                     12/26/89
4,888,881                          07/279,783                     12/26/89
4,888,884                          07/192,272                     12/26/89
4,888,885                          07/122,045                     12/26/89
4,888,886                          07/100,776                     12/26/89
4,888,889                          07/000,785                     12/26/89
4,888,891                          07/182,973                     12/26/89
4,888,899                          07/218,109                     12/26/89
4,888,900                          07/165,979                     12/26/89
4,888,901                          07/342,998                     12/26/89
4,888,917                          07/223,858                     12/26/89
4,888,919                          07/296,102                     12/26/89
4,888,921                          07/240,839                     12/26/89
4,888,925                          07/201,146                     12/26/89
4,888,927                          07/064,140                     12/26/89
4,888,940                          07/302,648                     12/26/89
4,888,959                          07/308,331                     12/26/89
4,888,965                          07/254,308                     12/26/89
4,888,974                          07/306,003                     12/26/89
4,888,994                          07/273,063                     12/26/89
4,888,998                          07/355,077                     12/26/89
4,889,006                          07/173,169                     12/26/89
4,889,016                          07/172,722                     12/26/89
4,889,020                          07/091,099                     12/26/89
4,889,025                          07/197,284                     12/26/89
4,889,029                          07/239,661                     12/26/89
4,889,045                          07/144,271                     12/26/89
4,889,047                          07/222,982                     12/26/89
4,889,058                          07/313,569                     12/26/89
4,889,061                          07/305,420                     12/26/89
4,889,064                          07/282,618                     12/26/89
4,889,067                          07/317,131                     12/26/89
4,889,068                          07/203,809                     12/26/89
4,889,072                          07/339,641                     12/26/89
4,889,089                          07/214,833                     12/26/89
4,889,090                          07/234,931                     12/26/89
4,889,095                          07/268,983                     12/26/89
4,889,106                          07/268,707                     12/26/89
4,889,107                          07/154,965                     12/26/89
4,889,120                          06/867,023                     12/26/89
4,889,128                          06/943,446                     12/26/89
4,889,148                          07/239,566                     12/26/89
4,889,151                          07/266,524                     12/26/89
4,889,154                          07/174,560                     12/26/89
4,889,155                          07/274,014                     12/26/89
4,889,167                          07/249,604                     12/26/89
4,889,177                          07/203,074                     12/26/89
4,889,178                          07/214,956                     12/26/89
4,889,184                          07/194,607                     12/26/89
4,889,185                          07/121,907                     12/26/89
4,889,190                          07/217,499                     12/26/89
4,889,191                          07/256,491                     12/26/89
4,889,192                          07/270,515                     12/26/89
4,889,194                          07/275,641                     12/26/89
4,889,202                          07/226,689                     12/26/89
4,889,204                          07/259,680                     12/26/89
4,889,206                          07/227,830                     12/26/89
4,889,208                          07/156,852                     12/26/89
4,889,222                          07/036,206                     12/26/89
4,889,231                          07/362,193                     12/26/89
4,889,244                          07/233,462                     12/26/89
4,889,263                          07/270,058                     12/26/89
4,889,275                          07/266,470                     12/26/89
4,889,278                          07/190,408                     12/26/89
4,889,282                          07/133,018                     12/26/89
4,889,297                          07/267,276                     12/26/89
4,889,299                          06/565,764                     12/26/89
4,889,306                          07/247,036                     12/26/89
4,889,314                          07/153,964                     12/26/89
4,889,326                          07/211,932                     12/26/89
4,889,328                          06/619,482                     12/26/89
4,889,329                          07/238,908                     12/26/89
4,889,332                          07/189,922                     12/26/89
4,889,342                          07/224,385                     12/26/89
4,889,346                          07/185,969                     12/26/89
4,889,347                          07/278,568                     12/26/89
4,889,353                          07/148,804                     12/26/89
4,889,362                          07/183,844                     12/26/89
4,889,366                          07/067,934                     12/26/89
4,889,373                          07/120,058                     12/26/89
4,889,374                          07/207,205                     12/26/89
4,889,390                          07/137,431                     12/26/89
4,889,391                          07/348,594                     12/26/89
4,889,394                          07/222,512                     12/26/89
4,889,395                          07/317,846                     12/26/89
4,889,421                          07/252,190                     12/26/89
4,889,423                          06/879,037                     12/26/89
4,889,424                          07/135,161                     12/26/89
4,889,428                          06/760,046                     12/26/89
4,889,434                          07/179,578                     12/26/89
4,889,440                          07/245,950                     12/26/89
4,889,447                          07/387,521                     12/26/89
4,889,453                          07/316,954                     12/26/89
4,889,457                          07/194,302                     12/26/89
4,889,487                          07/275,213                     12/26/89
4,889,492                          06/860,738                     12/26/89
4,889,493                          07/229,993                     12/26/89
4,889,504                          07/239,385                     12/26/89
4,889,507                          07/129,551                     12/26/89
4,889,523                          07/159,722                     12/26/89
4,889,527                          07/101,726                     12/26/89
4,889,528                          07/162,059                     12/26/89
4,889,529                          07/214,182                     12/26/89
4,889,533                          06/868,292                     12/26/89
4,889,538                          07/219,444                     12/26/89
4,889,542                          07/270,203                     12/26/89
4,889,548                          07/155,725                     12/26/89
4,889,562                          07/202,857                     12/26/89
4,889,575                          07/211,462                     12/26/89
4,889,576                          06/909,645                     12/26/89
4,889,578                          07/150,055                     12/26/89
4,889,583                          07/124,346                     12/26/89
4,889,586                          07/330,587                     12/26/89
4,889,593                          07/149,936                     12/26/89
4,889,599                          07/144,538                     12/26/89
4,889,603                          07/281,701                     12/26/89
4,889,613                          07/096,099                     12/26/89
4,889,615                          07/280,451                     12/26/89
4,889,649                          07/157,505                     12/26/89
4,889,656                          07/116,259                     12/26/89
4,889,662                          07/305,408                     12/26/89
4,889,667                          07/053,567                     12/26/89
4,889,668                          07/259,059                     12/26/89
4,889,674                          07/042,027                     12/26/89
4,889,692                          07/240,984                     12/26/89
4,889,696                          07/189,001                     12/26/89
4,889,715                          07/224,279                     12/26/89
4,889,716                          07/210,891                     12/26/89
4,889,721                          07/219,365                     12/26/89
4,889,730                          07/157,838                     12/26/89
4,889,742                          07/131,282                     12/26/89
4,889,746                          07/182,713                     12/26/89
4,889,749                          07/124,557                     12/26/89
4,889,757                          07/016,349                     12/26/89
4,889,758                          07/174,921                     12/26/89
4,889,766                          07/207,827                     12/26/89
4,889,770                          07/251,616                     12/26/89
4,889,802                          06/911,259                     12/26/89
4,889,806                          07/038,280                     12/26/89
4,889,813                          07/222,662                     12/26/89
4,889,823                          07/358,672                     12/26/89
4,889,825                          07/147,635                     12/26/89
4,889,828                          07/249,183                     12/26/89
4,889,841                          07/220,454                     12/26/89
4,889,848                          07/141,022                     12/26/89
4,889,853                          07/216,337                     12/26/89
4,889,858                          07/180,104                     12/26/89
4,889,876                          07/175,554                     12/26/89
4,889,880                          07/167,596                     12/26/89
4,889,889                          07/158,517                     12/26/89
4,889,894                          07/119,089                     12/26/89
4,889,895                          07/229,278                     12/26/89
4,889,897                          07/206,663                     12/26/89
4,889,900                          07/364,955                     12/26/89
4,889,901                          07/271,659                     12/26/89
4,889,904                          07/223,007                     12/26/89
4,889,905                          06/930,633                     12/26/89
4,889,906                          07/276,009                     12/26/89
4,889,917                          07/265,550                     12/26/89
4,889,920                          07/229,462                     12/26/89
4,889,927                          07/163,839                     12/26/89
4,889,930                          07/135,802                     12/26/89
4,889,932                          07/153,264                     12/26/89
4,889,934                          07/147,407                     12/26/89
4,889,936                          07/295,410                     12/26/89
4,889,937                          07/237,465                     12/26/89
4,889,942                          07/336,938                     12/26/89
4,889,954                          07/213,685                     12/26/89
4,889,960                          06/697,541                     12/26/89
4,889,962                          07/233,815                     12/26/89
4,889,965                          07/284,732                     12/26/89
4,889,971                          07/200,278                     12/26/89
4,889,974                          07/158,522                     12/26/89
4,889,980                          07/162,519                     12/26/89
4,889,996                          06/881,522                     12/26/89
4,889,998                          07/148,691                     12/26/89
4,890,045                          07/292,602                     12/26/89
4,890,057                          07/213,101                     12/26/89
4,890,062                          07/305,935                     12/26/89
4,890,063                          07/230,195                     12/26/89
4,890,067                          07/337,677                     12/26/89
4,890,077                          07/329,625                     12/26/89
4,890,089                          07/275,843                     12/26/89
4,890,090                          07/202,262                     12/26/89
4,890,094                          07/254,888                     12/26/89
4,890,101                          07/283,355                     12/26/89
4,890,103                          06/729,158                     12/26/89
4,890,114                          07/186,805                     12/26/89
4,890,129                          07/333,853                     12/26/89
4,890,144                          07/095,809                     12/26/89
4,890,163                          07/178,106                     12/26/89
4,890,178                          07/176,275                     12/26/89
4,890,198                          07/347,115                     12/26/89
4,890,203                          07/250,922                     12/26/89
4,890,226                          07/134,605                     12/26/89
4,890,231                          07/023,166                     12/26/89
4,890,240                          07/247,037                     12/26/89
4,890,243                          07/273,175                     12/26/89
4,890,244                          07/072,844                     12/26/89
4,890,254                          07/384,875                     12/26/89
4,890,257                          07/037,281                     12/26/89
4,890,272                          07/273,750                     12/26/89
4,890,280                          07/270,025                     12/26/89
4,890,286                          07/131,922                     12/26/89
4,890,290                          07/294,232                     12/26/89
4,890,292                          07/338,341                     12/26/89
4,890,300                          07/185,788                     12/26/89
4,890,315                          07/291,343                     12/26/89
4,890,318                          07/109,568                     12/26/89
4,890,323                          07/052,257                     12/26/89

                  PATENTS WHICH EXPIRED ON December 21, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

5,271,106                          07/957,418                     12/21/93
5,271,117                          07/872,500                     12/21/93
5,271,121                          08/072,857                     12/21/93
5,271,124                          07/693,913                     12/21/93
5,271,130                          08/014,846                     12/21/93
5,271,132                          07/982,519                     12/21/93
5,271,142                          07/983,269                     12/21/93
5,271,144                          07/912,622                     12/21/93
5,271,147                          07/895,800                     12/21/93
5,271,149                          07/967,231                     12/21/93
5,271,168                          07/914,308                     12/21/93
5,271,170                          08/015,133                     12/21/93
5,271,172                          07/822,705                     12/21/93
5,271,175                          07/981,065                     12/21/93
5,271,181                          07/953,714                     12/21/93
5,271,182                          07/947,165                     12/21/93
5,271,185                          07/897,038                     12/21/93
5,271,193                          07/838,865                     12/21/93
5,271,197                          07/928,080                     12/21/93
5,271,199                          07/935,057                     12/21/93
5,271,205                          07/772,971                     12/21/93
5,271,206                          07/912,199                     12/21/93
5,271,212                          07/996,315                     12/21/93
5,271,214                          07/850,291                     12/21/93
5,271,215                          07/850,582                     12/21/93
5,271,225                          07/878,818                     12/21/93
5,271,226                          07/873,020                     12/21/93
5,271,232                          08/053,327                     12/21/93
5,271,237                          07/988,571                     12/21/93
5,271,241                          07/916,682                     12/21/93
5,271,243                          07/967,182                     12/21/93
5,271,244                          07/820,480                     12/21/93
5,271,248                          07/749,314                     12/21/93
5,271,251                          07/815,781                     12/21/93
5,271,253                          07/851,511                     12/21/93
5,271,256                          07/936,699                     12/21/93
5,271,257                          07/920,531                     12/21/93
5,271,258                          07/856,764                     12/21/93
5,271,266                          07/803,948                     12/21/93
5,271,271                          07/680,092                     12/21/93
5,271,282                          07/992,363                     12/21/93
5,271,284                          07/772,991                     12/21/93
5,271,286                          07/946,111                     12/21/93
5,271,287                          07/920,976                     12/21/93
5,271,289                          07/991,648                     12/21/93
5,271,290                          08/046,905                     12/21/93
5,271,291                          07/930,623                     12/21/93
5,271,298                          07/913,434                     12/21/93
5,271,308                          07/894,005                     12/21/93
5,271,311                          07/792,645                     12/21/93
5,271,313                          07/792,210                     12/21/93
5,271,316                          07/992,445                     12/21/93
5,271,318                          07/929,298                     12/21/93
5,271,319                          07/916,008                     12/21/93
5,271,320                          07/746,908                     12/21/93
5,271,325                          07/836,237                     12/21/93
5,271,332                          07/955,800                     12/21/93
5,271,333                          07/953,542                     12/21/93
5,271,350                          07/890,661                     12/21/93
5,271,353                          07/651,181                     12/21/93
5,271,354                          08/064,893                     12/21/93
5,271,359                          07/789,278                     12/21/93
5,271,362                          07/719,187                     12/21/93
5,271,365                          07/909,890                     12/21/93
5,271,367                          07/382,301                     12/21/93
5,271,368                          08/043,846                     12/21/93
5,271,370                          07/918,378                     12/21/93
5,271,386                          07/348,568                     12/21/93
5,271,390                          07/851,623                     12/21/93
5,271,391                          07/811,013                     12/21/93
5,271,402                          07/892,451                     12/21/93
5,271,414                          07/954,717                     12/21/93
5,271,417                          07/794,004                     12/21/93
5,271,421                          07/931,342                     12/21/93
5,271,423                          07/950,282                     12/21/93
5,271,427                          07/963,578                     12/21/93
5,271,437                          07/932,118                     12/21/93
5,271,441                          08/016,702                     12/21/93
5,271,447                          07/991,531                     12/21/93
5,271,449                          07/893,170                     12/21/93
5,271,456                          07/777,212                     12/21/93
5,271,457                          07/989,129                     12/21/93
5,271,483                          07/984,493                     12/21/93
5,271,492                          07/832,305                     12/21/93
5,271,494                          07/897,276                     12/21/93
5,271,497                          08/003,171                     12/21/93
5,271,502                          08/000,122                     12/21/93
5,271,503                          07/938,214                     12/21/93
5,271,507                          07/962,283                     12/21/93
5,271,522                          08/046,101                     12/21/93
5,271,525                          07/836,705                     12/21/93
5,271,526                          07/884,937                     12/21/93
5,271,527                          07/931,777                     12/21/93
5,271,529                          07/994,286                     12/21/93
5,271,533                          07/881,505                     12/21/93
5,271,534                          07/832,820                     12/21/93
5,271,539                          08/026,260                     12/21/93
5,271,541                          07/858,115                     12/21/93
5,271,547                          07/945,235                     12/21/93
5,271,551                          07/730,962                     12/21/93
5,271,555                          07/961,666                     12/21/93
5,271,558                          08/006,459                     12/21/93
5,271,559                          07/940,154                     12/21/93
5,271,563                          07/993,203                     12/21/93
5,271,565                          07/993,212                     12/21/93
5,271,567                          07/935,317                     12/21/93
5,271,580                          07/891,140                     12/21/93
5,271,582                          07/877,145                     12/21/93
5,271,585                          07/591,058                     12/21/93
5,271,587                          07/895,498                     12/21/93
5,271,596                          07/919,498                     12/21/93
5,271,606                          07/654,634                     12/21/93
5,271,611                          07/906,283                     12/21/93
5,271,614                          07/946,035                     12/21/93
5,271,621                          08/009,572                     12/21/93
5,271,627                          07/880,183                     12/21/93
5,271,629                          07/995,913                     12/21/93
5,271,632                          07/978,648                     12/21/93
5,271,635                          07/944,114                     12/21/93
5,271,636                          07/790,759                     12/21/93
5,271,640                          07/889,969                     12/21/93
5,271,644                          07/751,986                     12/21/93
5,271,652                          07/900,390                     12/21/93
5,271,657                          08/005,143                     12/21/93
5,271,660                          07/740,980                     12/21/93
5,271,663                          07/895,179                     12/21/93
5,271,666                          07/721,403                     12/21/93
5,271,670                          07/902,926                     12/21/93
5,271,682                          07/809,163                     12/21/93
5,271,683                          07/918,553                     12/21/93
5,271,686                          07/826,014                     12/21/93
5,271,690                          07/835,305                     12/21/93
5,271,691                          07/891,761                     12/21/93
5,271,694                          08/002,760                     12/21/93
5,271,697                          07/826,265                     12/21/93
5,271,700                          07/890,601                     12/21/93
5,271,702                          07/829,719                     12/21/93
5,271,706                          07/786,800                     12/21/93
5,271,707                          07/796,314                     12/21/93
5,271,708                          07/942,301                     12/21/93
5,271,716                          07/945,782                     12/21/93
5,271,717                          07/828,568                     12/21/93
5,271,739                          07/973,013                     12/21/93
5,271,753                          07/997,901                     12/21/93
5,271,754                          07/930,976                     12/21/93
5,271,755                          07/937,030                     12/21/93
5,271,761                          07/953,365                     12/21/93
5,271,762                          07/953,684                     12/21/93
5,271,763                          07/994,300                     12/21/93
5,271,764                          07/834,093                     12/21/93
5,271,767                          07/961,495                     12/21/93
5,271,770                          07/953,161                     12/21/93
5,271,773                          07/896,404                     12/21/93
5,271,776                          07/842,685                     12/21/93
5,271,780                          07/974,990                     12/21/93
5,271,790                          07/774,813                     12/21/93
5,271,792                          07/856,559                     12/21/93
5,271,800                          07/729,107                     12/21/93
5,271,802                          07/987,509                     12/21/93
5,271,806                          07/967,969                     12/21/93
5,271,814                          07/854,360                     12/21/93
5,271,815                          07/814,099                     12/21/93
5,271,823                          07/899,966                     12/21/93
5,271,830                          07/624,726                     12/21/93
5,271,832                          07/778,321                     12/21/93
5,271,833                          07/963,697                     12/21/93
5,271,834                          07/724,501                     12/21/93
5,271,845                          07/860,594                     12/21/93
5,271,846                          07/856,797                     12/21/93
5,271,852                          07/877,497                     12/21/93
5,271,854                          07/393,064                     12/21/93
5,271,866                          07/703,838                     12/21/93
5,271,872                          07/917,914                     12/21/93
5,271,876                          07/903,062                     12/21/93
5,271,901                          07/921,840                     12/21/93
5,271,904                          07/947,000                     12/21/93
5,271,905                          07/925,840                     12/21/93
5,271,909                          07/910,250                     12/21/93
5,271,926                          07/853,996                     12/21/93
5,271,932                          07/983,183                     12/21/93
5,271,934                          07/963,226                     12/21/93
5,271,942                          07/674,791                     12/21/93
5,271,951                          07/665,516                     12/21/93
5,271,955                          07/864,281                     12/21/93
5,271,956                          07/814,530                     12/21/93
5,271,957                          07/970,566                     12/21/93
5,271,966                          07/852,959                     12/21/93
5,271,973                          07/955,559                     12/21/93
5,271,975                          07/843,668                     12/21/93
5,271,976                          07/687,686                     12/21/93
5,271,984                          08/003,026                     12/21/93
5,271,993                          07/734,775                     12/21/93
5,271,996                          07/936,778                     12/21/93
5,271,997                          07/842,470                     12/21/93
5,272,001                          08/044,199                     12/21/93
5,272,002                          07/913,569                     12/21/93
5,272,003                          07/993,325                     12/21/93
5,272,006                          08/013,988                     12/21/93
5,272,009                          07/860,282                     12/21/93
5,272,018                          07/871,126                     12/21/93
5,272,021                          07/920,722                     12/21/93
5,272,030                          07/672,867                     12/21/93
5,272,041                          07/774,190                     12/21/93
5,272,047                          07/904,615                     12/21/93
5,272,053                          07/992,486                     12/21/93
5,272,056                          07/637,163                     12/21/93
5,272,084                          07/809,345                     12/21/93
5,272,085                          07/429,538                     12/21/93
5,272,086                          07/125,257                     12/21/93
5,272,091                          07/920,604                     12/21/93
5,272,092                          07/793,650                     12/21/93
5,272,094                          08/026,275                     12/21/93
5,272,096                          07/953,177                     12/21/93
5,272,106                          07/905,317                     12/21/93
5,272,109                          07/861,115                     12/21/93
5,272,111                          07/780,065                     12/21/93
5,272,126                          07/865,305                     12/21/93
5,272,136                          08/054,249                     12/21/93
5,272,140                          07/488,391                     12/21/93
5,272,141                          07/767,084                     12/21/93
5,272,154                          07/809,815                     12/21/93
5,272,158                          07/821,116                     12/21/93
5,272,166                          07/844,903                     12/21/93
5,272,168                          08/006,023                     12/21/93
5,272,180                          07/906,304                     12/21/93
5,272,183                          08/067,322                     12/21/93
5,272,186                          07/876,765                     12/21/93
5,272,190                          07/776,076                     12/21/93
5,272,193                          07/905,519                     12/21/93
5,272,198                          08/031,090                     12/21/93
5,272,205                          07/435,056                     12/21/93
5,272,212                          07/856,975                     12/21/93
5,272,214                          07/663,793                     12/21/93
5,272,225                          07/963,161                     12/21/93
5,272,241                          07/934,051                     12/21/93
5,272,248                          07/892,058                     12/21/93
5,272,250                          07/911,218                     12/21/93
5,272,255                          07/872,203                     12/21/93
5,272,259                          07/890,332                     12/21/93
5,272,261                          07/821,130                     12/21/93
5,272,268                          07/974,211                     12/21/93
5,272,271                          07/726,897                     12/21/93
5,272,272                          07/871,329                     12/21/93
5,272,279                          07/907,180                     12/21/93
5,272,287                          07/853,678                     12/21/93
5,272,288                          07/580,888                     12/21/93
5,272,301                          07/882,369                     12/21/93
5,272,305                          07/938,444                     12/21/93
5,272,311                          07/797,075                     12/21/93
5,272,317                          07/873,235                     12/21/93
5,272,335                          07/942,267                     12/21/93
5,272,340                          07/953,990                     12/21/93
5,272,355                          07/886,024                     12/21/93
5,272,356                          07/792,519                     12/21/93
5,272,358                          07/796,885                     12/21/93
5,272,370                          07/902,636                     12/21/93
5,272,372                          07/704,254                     12/21/93
5,272,374                          07/727,448                     12/21/93
5,272,389                          07/875,978                     12/21/93
5,272,391                          07/809,933                     12/21/93
5,272,404                          07/843,621                     12/21/93
5,272,414                          08/039,523                     12/21/93
5,272,420                          07/740,643                     12/21/93
5,272,421                          07/935,997                     12/21/93
5,272,424                          07/950,672                     12/21/93
5,272,425                          07/681,311                     12/21/93
5,272,431                          07/800,187                     12/21/93
5,272,440                          07/883,216                     12/21/93
5,272,449                          08/026,081                     12/21/93
5,272,462                          07/889,363                     12/21/93
5,272,470                          07/775,645                     12/21/93
5,272,482                          07/848,990                     12/21/93
5,272,483                          07/911,002                     12/21/93
5,272,488                          07/852,674                     12/21/93
5,272,496                          07/922,499                     12/21/93
5,272,529                          07/854,203                     12/21/93
5,272,533                          07/820,222                     12/21/93
5,272,542                          07/636,406                     12/21/93
5,272,549                          07/786,705                     12/21/93
5,272,560                          07/860,636                     12/21/93
5,272,563                          07/789,322                     12/21/93
5,272,568                          07/805,164                     12/21/93
5,272,569                          07/891,129                     12/21/93
5,272,571                          07/744,099                     12/21/93
5,272,572                          07/661,488                     12/21/93
5,272,579                          07/863,366                     12/21/93
5,272,581                          07/760,073                     12/21/93
5,272,585                          07/722,306                     12/21/93
5,272,598                          07/974,937                     12/21/93
5,272,601                          07/755,888                     12/21/93
5,272,610                          07/822,921                     12/21/93
5,272,613                          07/841,609                     12/21/93
5,272,615                          07/877,482                     12/21/93
5,272,621                          07/433,827                     12/21/93
5,272,623                          07/610,193                     12/21/93
5,272,642                          07/864,544                     12/21/93
5,272,649                          07/785,409                     12/21/93
5,272,653                          07/959,966                     12/21/93
5,272,656                          07/970,646                     12/21/93
5,272,662                          07/982,250                     12/21/93
5,272,679                          07/904,020                     12/21/93
5,272,681                          08/049,108                     12/21/93
5,272,683                          07/886,773                     12/21/93
5,272,687                          07/824,141                     12/21/93
5,272,688                          07/968,482                     12/21/93
5,272,705                          07/865,037                     12/21/93
5,272,709                          07/955,613                     12/21/93
5,272,714                          07/806,024                     12/21/93
5,272,719                          07/806,571                     12/21/93
5,272,721                          07/961,060                     12/21/93
5,272,738                          07/937,759                     12/21/93
5,272,740                          07/962,738                     12/21/93
5,272,743                          07/981,105                     12/21/93
5,272,745                          07/882,871                     12/21/93
5,272,761                          07/783,615                     12/21/93
5,272,762                          07/831,898                     12/21/93
5,272,767                          07/925,678                     12/21/93
5,272,768                          07/934,288                     12/21/93

                  PATENTS WHICH EXPIRED ON December 23, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

5,699,555                          08/755,229                     12/23/97
5,699,562                          08/759,938                     12/23/97
5,699,565                          08/723,586                     12/23/97
5,699,569                          08/635,942                     12/23/97
5,699,571                          08/633,227                     12/23/97
5,699,580                          08/572,445                     12/23/97
5,699,581                          08/661,696                     12/23/97
5,699,615                          08/745,623                     12/23/97
5,699,628                          08/767,816                     12/23/97
5,699,631                          08/699,078                     12/23/97
5,699,632                          08/591,275                     12/23/97
5,699,635                          08/664,022                     12/23/97
5,699,639                          08/537,041                     12/23/97
5,699,640                          08/622,121                     12/23/97
5,699,642                          08/658,722                     12/23/97
5,699,643                          08/810,755                     12/23/97
5,699,655                          08/566,178                     12/23/97
5,699,657                          08/652,818                     12/23/97
5,699,672                          08/612,809                     12/23/97
5,699,673                          08/660,724                     12/23/97
5,699,681                          08/645,825                     12/23/97
5,699,688                          08/550,712                     12/23/97
5,699,695                          08/641,402                     12/23/97
5,699,697                          08/723,890                     12/23/97
5,699,698                          08/605,061                     12/23/97
5,699,701                          08/646,096                     12/23/97
5,699,712                          08/697,535                     12/23/97
5,699,721                          08/786,093                     12/23/97
5,699,752                          08/755,485                     12/23/97
5,699,754                          08/594,436                     12/23/97
5,699,765                          08/771,920                     12/23/97
5,699,776                          08/812,686                     12/23/97
5,699,780                          08/668,033                     12/23/97
5,699,783                          08/751,475                     12/23/97
5,699,788                          08/645,501                     12/23/97
5,699,789                          08/613,413                     12/23/97
5,699,815                          08/633,178                     12/23/97
5,699,818                          08/590,706                     12/23/97
5,699,819                          08/762,280                     12/23/97
5,699,820                          08/613,288                     12/23/97
5,699,831                          08/522,329                     12/23/97
5,699,837                          08/647,050                     12/23/97
5,699,838                          08/446,459                     12/23/97
5,699,840                          08/662,952                     12/23/97
5,699,856                          08/523,679                     12/23/97
5,699,873                          08/741,824                     12/23/97
5,699,875                          08/550,576                     12/23/97
5,699,879                          08/642,855                     12/23/97
5,699,884                          08/708,458                     12/23/97
5,699,886                          08/558,968                     12/23/97
5,699,891                          08/582,252                     12/23/97
5,699,893                          08/601,518                     12/23/97
5,699,896                          08/434,914                     12/23/97
5,699,904                          08/628,265                     12/23/97
5,699,905                          08/600,994                     12/23/97
5,699,907                          08/796,315                     12/23/97
5,699,921                          08/630,931                     12/23/97
5,699,922                          08/651,000                     12/23/97
5,699,925                          08/649,136                     12/23/97
5,699,928                          08/669,135                     12/23/97
5,699,929                          08/622,361                     12/23/97
5,699,937                          08/600,566                     12/23/97
5,699,942                          08/505,096                     12/23/97
5,699,945                          08/725,488                     12/23/97
5,699,956                          08/590,367                     12/23/97
5,699,958                          08/714,597                     12/23/97
5,699,963                          08/494,266                     12/23/97
5,699,976                          08/689,242                     12/23/97
5,699,978                          08/684,053                     12/23/97
5,699,979                          08/540,454                     12/23/97
5,699,996                          08/619,786                     12/23/97
5,700,015                          08/721,646                     12/23/97
5,700,017                          08/721,605                     12/23/97
5,700,026                          08/745,296                     12/23/97
5,700,030                          08/580,438                     12/23/97
5,700,037                          08/587,335                     12/23/97
5,700,048                          08/560,797                     12/23/97
5,700,050                          08/193,012                     12/23/97
5,700,056                          08/762,243                     12/23/97
5,700,057                          08/763,106                     12/23/97
5,700,059                          08/674,543                     12/23/97
5,700,061                          08/632,110                     12/23/97
5,700,069                          08/676,836                     12/23/97
5,700,070                          08/514,296                     12/23/97
5,700,071                          08/687,462                     12/23/97
5,700,075                          08/673,025                     12/23/97
5,700,076                          08/292,619                     12/23/97
5,700,077                          08/474,726                     12/23/97
5,700,079                          08/314,195                     12/23/97
5,700,085                          08/660,838                     12/23/97
5,700,097                          08/650,301                     12/23/97
5,700,105                          08/647,808                     12/23/97
5,700,106                          08/614,283                     12/23/97
5,700,111                          08/590,915                     12/23/97
5,700,122                          08/758,271                     12/23/97
5,700,128                          08/723,126                     12/23/97
5,700,146                          08/568,535                     12/23/97
5,700,154                          08/557,520                     12/23/97
5,700,165                          08/570,385                     12/23/97
5,700,178                          08/696,639                     12/23/97
5,700,179                          08/688,173                     12/23/97
5,700,182                          08/449,885                     12/23/97
5,700,187                          08/721,102                     12/23/97
5,700,194                          08/642,862                     12/23/97
5,700,198                          08/380,897                     12/23/97
5,700,200                          08/734,752                     12/23/97
5,700,203                          08/761,524                     12/23/97
5,700,205                          08/655,377                     12/23/97
5,700,206                          08/761,523                     12/23/97
5,700,207                          08/675,057                     12/23/97
5,700,210                          08/629,498                     12/23/97
5,700,228                          08/553,858                     12/23/97
5,700,229                          08/607,992                     12/23/97
5,700,246                          08/722,885                     12/23/97
5,700,251                          08/567,390                     12/23/97
5,700,264                          08/673,127                     12/23/97
5,700,267                          08/704,463                     12/23/97
5,700,274                          08/543,213                     12/23/97
5,700,294                          08/584,244                     12/23/97
5,700,297                          08/602,263                     12/23/97
5,700,304                          08/610,116                     12/23/97
5,700,321                          08/687,690                     12/23/97
5,700,341                          08/778,062                     12/23/97
5,700,353                          08/477,856                     12/23/97
5,700,354                          08/479,175                     12/23/97
5,700,358                          08/396,623                     12/23/97
5,700,376                          08/605,193                     12/23/97
5,700,382                          08/591,619                     12/23/97
5,700,387                          08/418,043                     12/23/97
5,700,425                          08/332,142                     12/23/97
5,700,436                          08/252,699                     12/23/97
5,700,451                          08/448,942                     12/23/97
5,700,455                          08/711,813                     12/23/97
5,700,487                          08/610,271                     12/23/97
5,700,496                          08/339,556                     12/23/97
5,700,498                          08/529,423                     12/23/97
5,700,503                          08/626,327                     12/23/97
5,700,511                          08/609,459                     12/23/97
5,700,517                          08/648,143                     12/23/97
5,700,525                          08/594,883                     12/23/97
5,700,528                          08/492,059                     12/23/97
5,700,529                          08/382,639                     12/23/97
5,700,530                          08/635,932                     12/23/97
5,700,535                          08/331,647                     12/23/97
5,700,543                          08/585,721                     12/23/97
5,700,558                          08/569,978                     12/23/97
5,700,565                          08/532,006                     12/23/97
5,700,571                          08/173,342                     12/23/97
5,700,599                          08/585,554                     12/23/97
5,700,613                          08/586,465                     12/23/97
5,700,618                          08/579,434                     12/23/97
5,700,627                          08/696,716                     12/23/97
5,700,654                          08/304,147                     12/23/97
5,700,703                          08/692,687                     12/23/97
5,700,708                          08/665,386                     12/23/97
5,700,711                          08/735,222                     12/23/97
5,700,724                          08/284,965                     12/23/97
5,700,728                          08/557,695                     12/23/97
5,700,742                          08/632,449                     12/23/97
5,700,751                          08/607,869                     12/23/97
5,700,760                          08/627,853                     12/23/97
5,700,761                          08/693,107                     12/23/97
5,700,771                          08/400,632                     12/23/97
5,700,801                          08/572,256                     12/23/97
5,700,802                          08/727,897                     12/23/97
5,700,804                          08/381,932                     12/23/97
5,700,814                          08/809,827                     12/23/97
5,700,818                          08/663,290                     12/23/97
5,700,820                          08/665,867                     12/23/97
5,700,840                          08/447,476                     12/23/97
5,700,866                          08/673,942                     12/23/97
5,700,914                          08/446,671                     12/23/97
5,700,918                          08/718,421                     12/23/97
5,700,920                          08/471,212                     12/23/97
5,700,925                          08/622,353                     12/23/97
5,700,926                          08/684,672                     12/23/97
5,700,927                          08/363,300                     12/23/97
5,700,938                          08/468,090                     12/23/97
5,700,939                          08/658,915                     12/23/97
5,700,941                          08/627,312                     12/23/97
5,700,956                          08/747,931                     12/23/97
5,700,957                          08/592,389                     12/23/97
5,700,958                          08/644,958                     12/23/97
5,700,960                          08/618,740                     12/23/97
5,700,963                          08/699,682                     12/23/97
5,700,964                          08/660,377                     12/23/97
5,700,968                          08/723,564                     12/23/97
5,700,988                          08/511,469                     12/23/97
5,700,996                          08/447,556                     12/23/97
5,700,997                          08/605,225                     12/23/97
5,701,001                          08/782,137                     12/23/97
5,701,009                          08/513,886                     12/23/97
5,701,019                          08/517,125                     12/23/97
5,701,021                          08/574,497                     12/23/97
5,701,042                          08/553,903                     12/23/97
5,701,043                          08/711,176                     12/23/97
5,701,057                          08/256,301                     12/23/97
5,701,062                          08/785,083                     12/23/97
5,701,065                          08/584,176                     12/23/97
5,701,068                          08/761,002                     12/23/97
5,701,076                          08/617,568                     12/23/97
5,701,081                          08/588,050                     12/23/97
5,701,082                          08/659,222                     12/23/97
5,701,088                          08/534,460                     12/23/97
5,701,101                          08/407,460                     12/23/97
5,701,109                          08/661,216                     12/23/97
5,701,114                          08/689,032                     12/23/97
5,701,122                          08/726,201                     12/23/97
5,701,123                          08/534,245                     12/23/97
5,701,126                          08/560,058                     12/23/97
5,701,134                          08/387,739                     12/23/97
5,701,141                          08/708,905                     12/23/97
5,701,142                          08/480,163                     12/23/97
5,701,150                          08/399,746                     12/23/97
5,701,152                          08/534,903                     12/23/97
5,701,161                          08/358,074                     12/23/97
5,701,220                          08/453,103                     12/23/97
5,701,232                          08/705,485                     12/23/97
5,701,233                          08/376,799                     12/23/97
5,701,238                          08/775,381                     12/23/97
5,701,251                          08/564,283                     12/23/97
5,701,252                          08/591,667                     12/23/97
5,701,261                          08/626,604                     12/23/97
5,701,285                          08/565,779                     12/23/97
5,701,293                          08/520,744                     12/23/97
5,701,317                          08/453,362                     12/23/97
5,701,321                          08/623,378                     12/23/97
5,701,341                          08/257,566                     12/23/97
5,701,348                          08/365,913                     12/23/97
5,701,356                          08/567,154                     12/23/97
5,701,359                          08/418,268                     12/23/97
5,701,363                          08/262,058                     12/23/97
5,701,370                          08/767,697                     12/23/97
5,701,380                          08/669,083                     12/23/97
5,701,384                          08/580,442                     12/23/97
5,701,414                          08/491,691                     12/23/97
5,701,437                          08/710,088                     12/23/97
5,701,458                          08/531,361                     12/23/97
5,701,488                          08/485,333                     12/23/97
5,701,498                          08/560,415                     12/23/97
5,701,515                          08/260,716                     12/23/97
5,701,518                          08/598,023                     12/23/97
5,701,522                          08/810,286                     12/23/97
5,701,555                          08/506,696                     12/23/97
5,701,582                          08/408,440                     12/23/97
5,701,596                          08/348,045                     12/23/97