United States Patent and Trademark Office OG Notices: 12 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 12, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                         Serial                            Issue
Number                         Number                             Date

4,885,811                    07/197,439                       12/12/89
4,885,812                    07/229,470                       12/12/89
4,885,828                    07/270,100                       12/12/89
4,885,833                    07/253,451                       12/12/89
4,885,836                    07/183,697                       12/12/89
4,885,837                    07/284,724                       12/12/89
4,885,849                    07/211,813                       12/12/89
4,885,853                    07/314,177                       12/12/89
4,885,865                    06/892,755                       12/12/89
4,885,875                    07/139,875                       12/12/89
4,885,881                    07/318,704                       12/12/89
4,885,885                    07/319,104                       12/12/89
4,885,895                    07/204,138                       12/12/89
4,885,910                    07/228,105                       12/12/89
4,885,912                    07/049,870                       12/12/89
4,885,916                    07/311,508                       12/12/89
4,885,919                    07/246,861                       12/12/89
4,885,923                    07/161,570                       12/12/89
4,885,927                    07/242,581                       12/12/89
4,885,932                    07/072,081                       12/12/89
4,885,935                    07/211,601                       12/12/89
4,885,940                    07/312,203                       12/12/89
4,885,957                    07/290,180                       12/12/89
4,885,959                    07/248,239                       12/12/89
4,885,963                    07/315,475                       12/12/89
4,885,964                    06/650,430                       12/12/89
4,885,976                    07/210,012                       12/12/89
4,885,982                    06/621,309                       12/12/89
4,885,985                    07/170,902                       12/12/89
4,886,005                    07/128,426                       12/12/89
4,886,022                    07/292,949                       12/12/89
4,886,023                    07/234,919                       12/12/89
4,886,025                    07/156,840                       12/12/89
4,886,056                    07/326,080                       12/12/89
4,886,059                    07/210,718                       12/12/89
4,886,064                    07/125,573                       12/12/89
4,886,065                    07/229,284                       12/12/89
4,886,068                    07/230,867                       12/12/89
4,886,070                    07/192,604                       12/12/89
4,886,078                    07/063,309                       12/12/89
4,886,079                    07/154,232                       12/12/89
4,886,081                    07/033,784                       12/12/89
4,886,087                    07/245,518                       12/12/89
4,886,091                    07/208,656                       12/12/89
4,886,097                    07/270,382                       12/12/89
4,886,101                    07/073,170                       12/12/89
4,886,105                    07/264,867                       12/12/89
4,886,109                    07/268,791                       12/12/89
4,886,119                    07/227,894                       12/12/89
4,886,128                    07/173,783                       12/12/89
4,886,129                    07/160,955                       12/12/89
4,886,131                    07/257,308                       12/12/89
4,886,140                    07/237,382                       12/12/89
4,886,150                    07/197,678                       12/12/89
4,886,153                    07/199,411                       12/12/89
4,886,156                    07/144,757                       12/12/89
4,886,163                    07/341,600                       12/12/89
4,886,168                    07/248,977                       12/12/89
4,886,180                    07/282,361                       12/12/89
4,886,181                    07/107,786                       12/12/89
4,886,190                    07/137,307                       12/12/89
4,886,191                    07/177,754                       12/12/89
4,886,200                    07/230,376                       12/12/89
4,886,204                    07/211,438                       12/12/89
4,886,205                    07/247,716                       12/12/89
4,886,213                    06/673,856                       12/12/89
4,886,215                    07/323,076                       12/12/89
4,886,221                    07/138,505                       12/12/89
4,886,224                    07/244,414                       12/12/89
4,886,229                    07/238,000                       12/12/89
4,886,234                    07/274,585                       12/12/89
4,886,240                    07/260,168                       12/12/89
4,886,249                    07/278,532                       12/12/89
4,886,258                    07/235,621                       12/12/89
4,886,263                    07/144,194                       12/12/89
4,886,273                    07/252,694                       12/12/89
4,886,277                    07/225,259                       12/12/89
4,886,286                    06/929,757                       12/12/89
4,886,287                    07/168,171                       12/12/89
4,886,296                    07/235,947                       12/12/89
4,886,305                    07/231,361                       12/12/89
4,886,311                    07/274,780                       12/12/89
4,886,315                    07/225,930                       12/12/89
4,886,317                    07/256,316                       12/12/89
4,886,324                    07/230,239                       12/12/89
4,886,336                    07/162,525                       12/12/89
4,886,337                    07/236,205                       12/12/89
4,886,339                    07/101,897                       12/12/89
4,886,341                    07/068,412                       12/12/89
4,886,385                    07/211,936                       12/12/89
4,886,386                    07/103,528                       12/12/89
4,886,387                    06/616,126                       12/12/89
4,886,390                    07/258,516                       12/12/89
4,886,394                    07/225,084                       12/12/89
4,886,396                    07/193,110                       12/12/89
4,886,398                    07/257,168                       12/12/89
4,886,399                    07/154,846                       12/12/89
4,886,411                    07/151,469                       12/12/89
4,886,415                    07/083,792                       12/12/89
4,886,421                    07/140,731                       12/12/89
4,886,434                    07/155,531                       12/12/89
4,886,438                    07/163,029                       12/12/89
4,886,459                    07/217,559                       12/12/89
4,886,466                    07/199,247                       12/12/89
4,886,468                    07/281,415                       12/12/89
4,886,471                    07/148,192                       12/12/89
4,886,475                    07/234,883                       12/12/89
4,886,481                    07/237,319                       12/12/89
4,886,494                    07/179,936                       12/12/89
4,886,500                    07/270,661                       12/12/89
4,886,518                    07/245,488                       12/12/89
4,886,525                    07/153,624                       12/12/89
4,886,555                    07/176,286                       12/12/89
4,886,561                    07/207,593                       12/12/89
4,886,571                    07/302,334                       12/12/89
4,886,573                    07/087,021                       12/12/89
4,886,576                    07/134,209                       12/12/89
4,886,580                    07/185,089                       12/12/89
4,886,599                    07/111,592                       12/12/89
4,886,606                    07/206,073                       12/12/89
4,886,610                    07/284,582                       12/12/89
4,886,614                    07/065,827                       12/12/89
4,886,625                    07/114,011                       12/12/89
4,886,626                    07/122,371                       12/12/89
4,886,627                    07/168,348                       12/12/89
4,886,636                    07/204,660                       12/12/89
4,886,637                    07/342,764                       12/12/89
4,886,640                    07/234,901                       12/12/89
4,886,647                    07/133,791                       12/12/89
4,886,655                    06/935,896                       12/12/89
4,886,658                    07/284,262                       12/12/89
4,886,661                    07/161,443                       12/12/89
4,886,663                    06/559,469                       12/12/89
4,886,670                    07/159,128                       12/12/89
4,886,676                    06/606,598                       12/12/89
4,886,680                    07/240,079                       12/12/89
4,886,681                    07/281,960                       12/12/89
4,886,685                    07/275,751                       12/12/89
4,886,696                    07/192,096                       12/12/89
4,886,702                    07/147,060                       12/12/89
4,886,711                    07/209,117                       12/12/89
4,886,715                    07/250,789                       12/12/89
4,886,721                    07/147,694                       12/12/89
4,886,731                    07/351,262                       12/12/89
4,886,740                    06/867,439                       12/12/89
4,886,746                    07/192,083                       12/12/89
4,886,755                    07/110,103                       12/12/89
4,886,756                    06/758,536                       12/12/89
4,886,762                    07/375,236                       12/12/89
4,886,766                    07/084,550                       12/12/89
4,886,774                    07/230,073                       12/12/89
4,886,777                    07/226,876                       12/12/89
4,886,778                    07/227,066                       12/12/89
4,886,780                    07/220,359                       12/12/89
4,886,781                    07/260,765                       12/12/89
4,886,792                    07/180,491                       12/12/89
4,886,797                    07/305,969                       12/12/89
4,886,807                    07/277,447                       12/12/89
4,886,811                    07/261,435                       12/12/89
4,886,814                    07/093,415                       12/12/89
4,886,824                    07/215,103                       12/12/89
4,886,825                    07/215,102                       12/12/89
4,886,848                    07/126,000                       12/12/89
4,886,849                    07/316,387                       12/12/89
4,886,852                    07/254,625                       12/12/89
4,886,853                    07/314,626                       12/12/89
4,886,865                    07/169,849                       12/12/89
4,886,873                    07/164,899                       12/12/89
4,886,880                    07/212,534                       12/12/89
4,886,886                    07/223,481                       12/12/89
4,886,893                    07/037,126                       12/12/89
4,886,899                    07/215,873                       12/12/89
4,886,910                    07/156,658                       12/12/89
4,886,912                    07/156,668                       12/12/89
4,886,914                    06/760,524                       12/12/89
4,886,915                    07/211,362                       12/12/89
4,886,918                    07/346,261                       12/12/89
4,886,920                    07/177,986                       12/12/89
4,886,926                    07/210,947                       12/12/89
4,886,928                    07/249,057                       12/12/89
4,886,929                    07/061,948                       12/12/89
4,886,942                    07/315,052                       12/12/89
4,886,946                    07/242,635                       12/12/89
4,886,960                    07/177,614                       12/12/89
4,886,971                    07/165,957                       12/12/89
4,886,973                    07/326,484                       12/12/89
4,886,978                    07/200,583                       12/12/89
4,886,996                    07/159,879                       12/12/89
4,887,005                    07/097,592                       12/12/89
4,887,017                    07/105,037                       12/12/89
4,887,019                    07/049,979                       12/12/89
4,887,023                    07/228,915                       12/12/89
4,887,028                    07/099,257                       12/12/89
4,887,034                    07/148,704                       12/12/89
4,887,035                    07/218,277                       12/12/89
4,887,037                    07/153,092                       12/12/89
4,887,044                    07/148,962                       12/12/89
4,887,046                    07/118,613                       12/12/89
4,887,056                    07/163,099                       12/12/89
4,887,059                    07/069,176                       12/12/89
4,887,065                    07/264,542                       12/12/89
4,887,080                    07/231,158                       12/12/89
4,887,087                    06/475,252                       12/12/89
4,887,089                    06/882,524                       12/12/89
4,887,094                    07/288,207                       12/12/89
4,887,111                    07/247,621                       12/12/89
4,887,133                    07/244,584                       12/12/89
4,887,137                    07/170,028                       12/12/89
4,887,138                    07/175,064                       12/12/89
4,887,139                    07/134,061                       12/12/89
4,887,140                    07/344,105                       12/12/89
4,887,143                    07/174,498                       12/12/89
4,887,145                    06/937,610                       12/12/89
4,887,155                    07/128,715                       12/12/89
4,887,159                    07/323,057                       12/12/89
4,887,177                    07/128,367                       12/12/89
4,887,178                    07/205,686                       12/12/89
4,887,195                    07/226,453                       12/12/89
4,887,198                    07/162,751                       12/12/89
4,887,202                    06/890,524                       12/12/89
4,887,203                    07/165,409                       12/12/89
4,887,213                    07/080,334                       12/12/89
4,887,216                    07/092,613                       12/12/89
4,887,246                    06/532,576                       12/12/89
4,887,260                    07/014,966                       12/12/89
4,887,269                    07/127,411                       12/12/89
4,887,270                    07/279,282                       12/12/89
4,887,272                    07/295,203                       12/12/89
4,887,273                    06/844,555                       12/12/89
4,887,274                    07/132,520                       12/12/89
4,887,278                    07/100,241                       12/12/89
4,887,284                    07/222,123                       12/12/89
4,887,294                    07/195,877                       12/12/89
4,887,303                    07/310,488                       12/12/89
4,887,308                    07/066,487                       12/12/89

                   PATENTS WHICH EXPIRED ON December 7, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                         Serial                            Issue
Number                         Number                             Date

5,267,353                    08/044,693                       12/07/93
5,267,357                    08/046,643                       12/07/93
5,267,361                    08/040,511                       12/07/93
5,267,368                    07/950,274                       12/07/93
5,267,371                    08/019,485                       12/07/93
5,267,382                    07/939,905                       12/07/93
5,267,385                    07/614,041                       12/07/93
5,267,391                    08/001,819                       12/07/93
5,267,396                    07/977,813                       12/07/93
5,267,403                    07/634,203                       12/07/93
5,267,405                    07/365,248                       12/07/93
5,267,414                    07/912,257                       12/07/93
5,267,419                    07/745,336                       12/07/93
5,267,428                    07/958,176                       12/07/93
5,267,444                    07/864,687                       12/07/93
5,267,449                    07/886,658                       12/07/93
5,267,457                    07/941,186                       12/07/93
5,267,458                    07/998,145                       12/07/93
5,267,464                    07/813,743                       12/07/93
5,267,473                    07/780,738                       12/07/93
5,267,488                    07/917,305                       12/07/93
5,267,496                    07/847,641                       12/07/93
5,267,498                    07/931,588                       12/07/93
5,267,499                    07/959,785                       12/07/93
5,267,513                    07/955,799                       12/07/93
5,267,515                    07/814,580                       12/07/93
5,267,517                    07/826,379                       12/07/93
5,267,521                    07/986,319                       12/07/93
5,267,533                    07/916,524                       12/07/93
5,267,541                    07/828,497                       12/07/93
5,267,549                    07/898,305                       12/07/93
5,267,557                    07/931,024                       12/07/93
5,267,569                    07/766,274                       12/07/93
5,267,573                    07/975,843                       12/07/93
5,267,578                    07/754,519                       12/07/93
5,267,579                    07/542,448                       12/07/93
5,267,588                    06/836,433                       12/07/93
5,267,595                    07/700,529                       12/07/93
5,267,601                    07/799,691                       12/07/93
5,267,602                    07/777,001                       12/07/93
5,267,604                    07/607,694                       12/07/93
5,267,606                    07/790,423                       12/07/93
5,267,616                    07/775,831                       12/07/93
5,267,622                    07/902,090                       12/07/93
5,267,626                    07/752,045                       12/07/93
5,267,628                    07/773,669                       12/07/93
5,267,629                    07/890,797                       12/07/93
5,267,642                    07/962,324                       12/07/93
5,267,643                    07/991,707                       12/07/93
5,267,656                    07/907,291                       12/07/93
5,267,660                    07/814,107                       12/07/93
5,267,662                    07/834,406                       12/07/93
5,267,663                    07/937,544                       12/07/93
5,267,668                    08/070,865                       12/07/93
5,267,686                    07/964,870                       12/07/93
5,267,692                    07/859,303                       12/07/93
5,267,701                    07/799,051                       12/07/93
5,267,702                    07/849,418                       12/07/93
5,267,703                    07/967,542                       12/07/93
5,267,709                    07/884,649                       12/07/93
5,267,710                    07/951,227                       12/07/93
5,267,713                    07/916,549                       12/07/93
5,267,714                    07/909,619                       12/07/93
5,267,717                    07/708,703                       12/07/93
5,267,718                    07/987,248                       12/07/93
5,267,719                    07/970,066                       12/07/93
5,267,722                    07/958,689                       12/07/93
5,267,730                    08/067,951                       12/07/93
5,267,731                    07/777,567                       12/07/93
5,267,737                    07/822,006                       12/07/93
5,267,741                    07/867,750                       12/07/93
5,267,742                    07/843,410                       12/07/93
5,267,745                    07/789,173                       12/07/93
5,267,753                    07/856,755                       12/07/93
5,267,756                    07/954,114                       12/07/93
5,267,764                    07/817,433                       12/07/93
5,267,765                    07/656,149                       12/07/93
5,267,770                    07/933,783                       12/07/93
5,267,776                    07/848,234                       12/07/93
5,267,779                    07/836,359                       12/07/93
5,267,783                    07/673,300                       12/07/93
5,267,785                    07/983,351                       12/07/93
5,267,789                    07/794,384                       12/07/93
5,267,799                    07/936,526                       12/07/93
5,267,801                    07/998,452                       12/07/93
5,267,805                    07/808,117                       12/07/93
5,267,811                    07/990,036                       12/07/93
5,267,812                    07/857,842                       12/07/93
5,267,818                    07/740,151                       12/07/93
5,267,824                    07/742,756                       12/07/93
5,267,832                    07/860,338                       12/07/93
5,267,837                    07/950,649                       12/07/93
5,267,838                    07/816,711                       12/07/93
5,267,844                    07/867,968                       12/07/93
5,267,848                    07/828,872                       12/07/93
5,267,852                    07/920,636                       12/07/93
5,267,853                    07/959,778                       12/07/93
5,267,854                    07/879,769                       12/07/93
5,267,856                    07/763,350                       12/07/93
5,267,858                    08/028,476                       12/07/93
5,267,859                    07/941,231                       12/07/93
5,267,872                    07/887,093                       12/07/93
5,267,879                    07/970,774                       12/07/93
5,267,883                    07/809,929                       12/07/93
5,267,887                    08/063,669                       12/07/93
5,267,890                    07/972,226                       12/07/93
5,267,892                    07/937,851                       12/07/93
5,267,900                    07/819,262                       12/07/93
5,267,903                    07/859,405                       12/07/93
5,267,912                    07/728,183                       12/07/93
5,267,923                    08/006,668                       12/07/93
5,267,929                    07/950,064                       12/07/93
5,267,930                    08/001,563                       12/07/93
5,267,932                    07/983,898                       12/07/93
5,267,936                    07/865,331                       12/07/93
5,267,943                    07/938,944                       12/07/93
5,267,946                    07/861,722                       12/07/93
5,267,948                    07/879,591                       12/07/93
5,267,949                    07/856,252                       12/07/93
5,267,950                    07/813,629                       12/07/93
5,267,953                    07/853,477                       12/07/93
5,267,962                    07/896,671                       12/07/93
5,267,963                    07/934,014                       12/07/93
5,267,974                    07/893,526                       12/07/93
5,267,975                    07/522,043                       12/07/93
5,267,976                    07/923,944                       12/07/93
5,267,981                    07/717,266                       12/07/93
5,267,982                    07/542,157                       12/07/93
5,267,987                    07/853,784                       12/07/93
5,268,003                    07/860,849                       12/07/93
5,268,007                    07/770,692                       12/07/93
5,268,010                    07/910,313                       12/07/93
5,268,013                    07/837,481                       12/07/93
5,268,020                    07/806,369                       12/07/93
5,268,022                    07/847,823                       12/07/93
5,268,028                    07/965,989                       12/07/93
5,268,032                    07/961,796                       12/07/93
5,268,042                    07/723,008                       12/07/93
5,268,049                    07/804,700                       12/07/93
5,268,058                    08/027,914                       12/07/93
5,268,061                    07/950,214                       12/07/93
5,268,062                    07/895,965                       12/07/93
5,268,073                    07/957,678                       12/07/93
5,268,079                    07/922,342                       12/07/93
5,268,083                    07/917,204                       12/07/93
5,268,087                    07/814,309                       12/07/93
5,268,099                    07/972,593                       12/07/93
5,268,105                    07/821,804                       12/07/93
5,268,106                    08/009,408                       12/07/93
5,268,109                    08/032,523                       12/07/93
5,268,110                    07/936,126                       12/07/93
5,268,120                    07/876,265                       12/07/93
5,268,122                    07/751,019                       12/07/93
5,268,125                    07/949,353                       12/07/93
5,268,135                    07/861,944                       12/07/93
5,268,136                    07/814,089                       12/07/93
5,268,149                    08/028,211                       12/07/93
5,268,154                    07/887,153                       12/07/93
5,268,156                    07/839,935                       12/07/93
5,268,160                    07/905,961                       12/07/93
5,268,166                    07/910,942                       12/07/93
5,268,168                    07/654,989                       12/07/93
5,268,171                    07/698,597                       12/07/93
5,268,192                    08/060,288                       12/07/93
5,268,195                    07/900,239                       12/07/93
5,268,198                    07/865,449                       12/07/93
5,268,199                    08/042,611                       12/07/93
5,268,200                    07/782,839                       12/07/93
5,268,208                    07/724,275                       12/07/93
5,268,210                    07/707,038                       12/07/93
5,268,221                    07/856,862                       12/07/93
5,268,233                    07/796,158                       12/07/93
5,268,234                    07/966,820                       12/07/93
5,268,237                    07/952,570                       12/07/93
5,268,239                    07/997,440                       12/07/93
5,268,240                    07/913,721                       12/07/93
5,268,242                    07/877,108                       12/07/93
5,268,253                    08/010,004                       12/07/93
5,268,255                    07/767,893                       12/07/93
5,268,268                    07/750,909                       12/07/93
5,268,286                    07/665,360                       12/07/93
5,268,288                    07/857,388                       12/07/93
5,268,292                    07/758,470                       12/07/93
5,268,296                    07/839,644                       12/07/93
5,268,300                    07/987,581                       12/07/93
5,268,302                    08/035,541                       12/07/93
5,268,304                    07/666,174                       12/07/93
5,268,305                    07/627,027                       12/07/93
5,268,313                    07/820,454                       12/07/93
5,268,321                    07/295,101                       12/07/93
5,268,326                    07/951,991                       12/07/93
5,268,331                    07/817,712                       12/07/93
5,268,340                    07/934,592                       12/07/93
5,268,353                    07/315,788                       12/07/93
5,268,355                    08/015,093                       12/07/93
5,268,356                    07/969,909                       12/07/93
5,268,359                    07/285,964                       12/07/93
5,268,363                    07/874,620                       12/07/93
5,268,367                    07/814,642                       12/07/93
5,268,371                    07/943,299                       12/07/93
5,268,372                    08/018,842                       12/07/93
5,268,375                    07/843,239                       12/07/93
5,268,377                    07/939,652                       12/07/93
5,268,378                    07/825,442                       12/07/93
5,268,381                    07/945,492                       12/07/93
5,268,383                    07/943,335                       12/07/93
5,268,384                    07/817,039                       12/07/93
5,268,395                    08/017,562                       12/07/93
5,268,399                    07/065,792                       12/07/93
5,268,400                    07/852,777                       12/07/93
5,268,401                    07/690,015                       12/07/93
5,268,403                    08/009,226                       12/07/93
5,268,407                    07/910,602                       12/07/93
5,268,417                    07/903,957                       12/07/93
5,268,429                    07/889,346                       12/07/93
5,268,434                    08/000,757                       12/07/93
5,268,441                    07/979,742                       12/07/93
5,268,442                    07/878,157                       12/07/93
5,268,460                    07/777,151                       12/07/93
5,268,475                    07/784,198                       12/07/93
5,268,478                    07/797,137                       12/07/93
5,268,480                    07/949,461                       12/07/93
5,268,484                    07/941,295                       12/07/93
5,268,493                    07/985,573                       12/07/93
5,268,497                    07/840,363                       12/07/93
5,268,509                    07/535,801                       12/07/93
5,268,519                    07/587,994                       12/07/93
5,268,521                    07/799,738                       12/07/93
5,268,522                    07/965,548                       12/07/93
5,268,524                    07/950,866                       12/07/93
5,268,527                    07/800,453                       12/07/93
5,268,529                    07/634,009                       12/07/93
5,268,533                    07/695,447                       12/07/93
5,268,538                    07/713,882                       12/07/93
5,268,540                    07/781,973                       12/07/93
5,268,541                    07/820,160                       12/07/93
5,268,548                    07/880,261                       12/07/93
5,268,550                    07/964,306                       12/07/93
5,268,559                    07/992,974                       12/07/93
5,268,566                    07/852,274                       12/07/93
5,268,568                    07/983,644                       12/07/93
5,268,569                    07/998,260                       12/07/93
5,268,575                    07/920,889                       12/07/93
5,268,577                    07/941,837                       12/07/93
5,268,581                    07/975,636                       12/07/93
5,268,591                    08/031,025                       12/07/93
5,268,596                    07/791,806                       12/07/93
5,268,602                    07/929,297                       12/07/93
5,268,603                    07/889,190                       12/07/93
5,268,612                    07/724,041                       12/07/93
5,268,615                    07/933,220                       12/07/93
5,268,616                    07/895,068                       12/07/93
5,268,626                    07/976,617                       12/07/93
5,268,632                    07/876,237                       12/07/93
5,268,636                    07/847,489                       12/07/93
5,268,644                    07/504,451                       12/07/93
5,268,648                    07/912,476                       12/07/93
5,268,650                    07/947,179                       12/07/93
5,268,658                    07/918,859                       12/07/93
5,268,659                    07/692,549                       12/07/93
5,268,662                    07/919,588                       12/07/93
5,268,664                    08/008,668                       12/07/93
5,268,665                    07/797,737                       12/07/93
5,268,691                    07/984,007                       12/07/93
5,268,698                    07/923,848                       12/07/93
5,268,699                    07/949,950                       12/07/93
5,268,700                    07/856,405                       12/07/93
5,268,702                    07/858,209                       12/07/93
5,268,705                    07/784,159                       12/07/93
5,268,711                    07/823,250                       12/07/93
5,268,718                    07/881,713                       12/07/93
5,268,721                    07/998,458                       12/07/93
5,268,728                    07/848,927                       12/07/93
5,268,736                    07/843,334                       12/07/93
5,268,739                    07/803,485                       12/07/93
5,268,740                    07/781,703                       12/07/93
5,268,757                    07/717,806                       12/07/93
5,268,762                    07/839,101                       12/07/93
5,268,763                    07/977,456                       12/07/93
5,268,770                    07/465,283                       12/07/93
5,268,772                    07/794,270                       12/07/93
5,268,776                    08/022,875                       12/07/93
5,268,785                    08/014,605                       12/07/93
5,268,794                    07/927,209                       12/07/93
5,268,807                    07/706,277                       12/07/93
5,268,814                    07/886,117                       12/07/93
5,268,815                    07/922,257                       12/07/93
5,268,820                    07/931,582                       12/07/93
5,268,828                    07/868,772                       12/07/93
5,268,830                    07/871,369                       12/07/93
5,268,831                    07/718,312                       12/07/93
5,268,835                    07/762,332                       12/07/93
5,268,848                    07/954,085                       12/07/93
5,268,851                    07/780,174                       12/07/93
5,268,864                    07/751,107                       12/07/93
5,268,877                    07/880,824                       12/07/93
5,268,891                    07/704,174                       12/07/93
5,268,893                    07/779,440                       12/07/93
5,268,900                    07/726,065                       12/07/93
5,268,909                    07/918,079                       12/07/93
5,268,912                    07/705,956                       12/07/93
5,268,914                    07/892,772                       12/07/93
5,268,929                    07/769,134                       12/07/93
5,268,938                    07/822,793                       12/07/93
5,268,940                    07/970,751                       12/07/93
5,268,945                    07/945,123                       12/07/93
5,268,947                    07/962,735                       12/07/93
5,268,949                    07/938,572                       12/07/93
5,268,950                    08/011,347                       12/07/93
5,268,952                    07/858,988                       12/07/93
5,268,960                    07/918,420                       12/07/93
5,268,963                    07/895,642                       12/07/93
5,268,968                    07/823,316                       12/07/93
5,268,973                    07/822,960                       12/07/93
5,268,980                    07/898,716                       12/07/93
5,268,981                    07/976,745                       12/07/93
5,268,982                    07/906,080                       12/07/93
5,268,999                    07/859,625                       12/07/93
5,269,000                    07/640,964                       12/07/93
5,269,009                    07/577,344                       12/07/93

                   PATENTS WHICH EXPIRED ON December 9, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                         Serial                            Issue
Number                         Number                             Date

5,694,642                    08/774,794                       12/09/97
5,694,645                    08/627,676                       12/09/97
5,694,646                    08/571,648                       12/09/97
5,694,652                    08/379,483                       12/09/97
5,694,653                    08/360,665                       12/09/97
5,694,656                    08/782,012                       12/09/97
5,694,658                    08/610,321                       12/09/97
5,694,661                    08/761,019                       12/09/97
5,694,662                    08/677,902                       12/09/97
5,694,667                    08/655,674                       12/09/97
5,694,669                    08/677,650                       12/09/97
5,694,672                    08/579,947                       12/09/97
5,694,676                    08/677,079                       12/09/97
5,694,678                    08/603,396                       12/09/97
5,694,689                    08/505,130                       12/09/97
5,694,692                    08/514,558                       12/09/97
5,694,693                    08/664,547                       12/09/97
5,694,707                    08/701,540                       12/09/97
5,694,720                    08/502,707                       12/09/97
5,694,726                    08/561,974                       12/09/97
5,694,728                    08/651,208                       12/09/97
5,694,734                    08/576,584                       12/09/97
5,694,739                    08/438,285                       12/09/97
5,694,752                    08/571,410                       12/09/97
5,694,756                    08/768,342                       12/09/97
5,694,757                    08/688,183                       12/09/97
5,694,771                    08/611,780                       12/09/97
5,694,773                    08/359,496                       12/09/97
5,694,774                    08/610,130                       12/09/97
5,694,776                    08/594,100                       12/09/97
5,694,780                    08/530,460                       12/09/97
5,694,786                    08/566,106                       12/09/97
5,694,791                    08/626,322                       12/09/97
5,694,796                    08/413,995                       12/09/97
5,694,826                    08/692,457                       12/09/97
5,694,855                    08/664,746                       12/09/97
5,694,860                    08/702,142                       12/09/97
5,694,867                    08/718,023                       12/09/97
5,694,873                    08/763,629                       12/09/97
5,694,874                    08/753,907                       12/09/97
5,694,876                    08/600,547                       12/09/97
5,694,878                    08/612,835                       12/09/97
5,694,881                    08/536,386                       12/09/97
5,694,882                    08/380,598                       12/09/97
5,694,891                    08/637,755                       12/09/97
5,694,907                    08/534,173                       12/09/97
5,694,911                    08/689,116                       12/09/97
5,694,913                    08/376,755                       12/09/97
5,694,918                    08/552,082                       12/09/97
5,694,921                    08/695,230                       12/09/97
5,694,930                    08/387,782                       12/09/97
5,694,942                    08/557,040                       12/09/97
5,694,947                    08/564,253                       12/09/97
5,694,948                    08/739,788                       12/09/97
5,694,950                    08/291,223                       12/09/97
5,694,956                    08/561,994                       12/09/97
5,694,958                    08/739,207                       12/09/97
5,694,959                    08/769,753                       12/09/97
5,694,960                    08/743,195                       12/09/97
5,694,967                    08/557,301                       12/09/97
5,694,971                    08/651,113                       12/09/97
5,694,977                    08/528,631                       12/09/97
5,694,979                    08/588,833                       12/09/97
5,694,987                    08/688,175                       12/09/97
5,694,989                    08/631,813                       12/09/97
5,694,990                    08/680,626                       12/09/97
5,694,993                    08/620,491                       12/09/97
5,694,994                    08/527,131                       12/09/97
5,694,997                    08/238,731                       12/09/97
5,694,998                    08/759,534                       12/09/97
5,695,001                    08/619,914                       12/09/97
5,695,003                    08/277,482                       12/09/97
5,695,007                    08/522,348                       12/09/97
5,695,009                    08/550,866                       12/09/97
5,695,013                    08/320,528                       12/09/97
5,695,014                    08/526,955                       12/09/97
5,695,021                    08/152,352                       12/09/97
5,695,024                    08/564,702                       12/09/97
5,695,051                    08/609,654                       12/09/97
5,695,056                    08/746,370                       12/09/97
5,695,057                    08/617,381                       12/09/97
5,695,059                    08/789,561                       12/09/97
5,695,060                    08/804,952                       12/09/97
5,695,062                    08/705,084                       12/09/97
5,695,063                    08/548,338                       12/09/97
5,695,067                    08/723,154                       12/09/97
5,695,074                    08/540,497                       12/09/97
5,695,080                    08/427,149                       12/09/97
5,695,083                    08/797,999                       12/09/97
5,695,085                    08/728,968                       12/09/97
5,695,090                    08/747,997                       12/09/97
5,695,094                    08/472,814                       12/09/97
5,695,095                    08/560,467                       12/09/97
5,695,097                    08/511,292                       12/09/97
5,695,108                    08/611,260                       12/09/97
5,695,112                    08/762,880                       12/09/97
5,695,113                    08/606,795                       12/09/97
5,695,114                    08/496,424                       12/09/97
5,695,115                    08/634,055                       12/09/97
5,695,117                    08/504,509                       12/09/97
5,695,119                    08/593,400                       12/09/97
5,695,127                    08/542,691                       12/09/97
5,695,139                    08/562,165                       12/09/97
5,695,141                    08/688,794                       12/09/97
5,695,142                    08/707,052                       12/09/97
5,695,148                    08/695,112                       12/09/97
5,695,154                    08/517,518                       12/09/97
5,695,160                    08/571,561                       12/09/97
5,695,162                    08/558,987                       12/09/97
5,695,171                    08/499,454                       12/09/97
5,695,174                    08/588,449                       12/09/97
5,695,175                    08/295,653                       12/09/97
5,695,177                    08/753,695                       12/09/97
5,695,191                    08/785,433                       12/09/97
5,695,193                    08/763,400                       12/09/97
5,695,194                    08/787,685                       12/09/97
5,695,195                    08/666,524                       12/09/97
5,695,196                    08/716,810                       12/09/97
5,695,207                    08/500,246                       12/09/97
5,695,208                    08/530,787                       12/09/97
5,695,215                    08/637,219                       12/09/97
5,695,230                    08/672,097                       12/09/97
5,695,231                    08/616,481                       12/09/97
5,695,234                    08/645,426                       12/09/97
5,695,246                    08/748,411                       12/09/97
5,695,250                    08/794,883                       12/09/97
5,695,251                    08/611,809                       12/09/97
5,695,253                    08/704,827                       12/09/97
5,695,257                    08/741,129                       12/09/97
5,695,259                    08/570,810                       12/09/97
5,695,264                    08/693,898                       12/09/97
5,695,267                    08/723,671                       12/09/97
5,695,270                    08/530,353                       12/09/97
5,695,283                    08/270,048                       12/09/97
5,695,286                    08/633,286                       12/09/97
5,695,287                    08/773,439                       12/09/97
5,695,288                    08/731,492                       12/09/97
5,695,290                    08/667,162                       12/09/97
5,695,292                    08/682,674                       12/09/97
5,695,295                    08/241,170                       12/09/97
5,695,317                    08/746,938                       12/09/97
5,695,327                    08/628,578                       12/09/97
5,695,333                    08/641,888                       12/09/97
5,695,336                    08/601,841                       12/09/97
5,695,339                    08/439,688                       12/09/97
5,695,340                    08/494,518                       12/09/97
5,695,345                    08/653,033                       12/09/97
5,695,356                    08/726,310                       12/09/97
5,695,363                    08/363,493                       12/09/97
5,695,372                    08/686,608                       12/09/97
5,695,374                    08/530,021                       12/09/97
5,695,380                    08/493,335                       12/09/97
5,695,382                    08/747,673                       12/09/97
5,695,383                    08/356,263                       12/09/97
5,695,385                    08/561,043                       12/09/97
5,695,387                    08/394,661                       12/09/97
5,695,392                    08/635,020                       12/09/97
5,695,401                    08/348,731                       12/09/97
5,695,406                    08/601,616                       12/09/97
5,695,407                    08/688,033                       12/09/97
5,695,408                    08/590,547                       12/09/97
5,695,410                    08/629,585                       12/09/97
5,695,412                    08/635,393                       12/09/97
5,695,433                    08/634,548                       12/09/97
5,695,436                    08/695,892                       12/09/97
5,695,438                    08/428,236                       12/09/97
5,695,439                    08/705,168                       12/09/97
5,695,446                    08/520,250                       12/09/97
5,695,451                    08/311,558                       12/09/97
5,695,458                    08/641,518                       12/09/97
5,695,461                    08/722,315                       12/09/97
5,695,467                    08/472,774                       12/09/97
5,695,475                    08/571,452                       12/09/97
5,695,476                    08/640,803                       12/09/97
5,695,477                    08/331,077                       12/09/97
5,695,478                    08/403,915                       12/09/97
5,695,479                    08/146,495                       12/09/97
5,695,484                    08/571,154                       12/09/97
5,695,485                    08/687,755                       12/09/97
5,695,489                    07/768,493                       12/09/97
5,695,515                    08/774,971                       12/09/97
5,695,519                    08/565,256                       12/09/97
5,695,520                    08/567,281                       12/09/97
5,695,527                    08/571,138                       12/09/97
5,695,528                    08/659,765                       12/09/97
5,695,529                    08/770,291                       12/09/97
5,695,530                    08/661,078                       12/09/97
5,695,534                    08/571,894                       12/09/97
5,695,536                    08/624,767                       12/09/97
5,695,542                    08/557,940                       12/09/97
5,695,550                    08/695,428                       12/09/97
5,695,554                    08/668,245                       12/09/97
5,695,560                    08/645,845                       12/09/97
5,695,579                    08/525,761                       12/09/97
5,695,582                    08/442,274                       12/09/97
5,695,588                    08/782,501                       12/09/97
5,695,594                    08/583,257                       12/09/97
5,695,597                    08/518,609                       12/09/97
5,695,598                    08/770,225                       12/09/97
5,695,600                    08/664,375                       12/09/97
5,695,604                    08/693,919                       12/09/97
5,695,606                    08/664,488                       12/09/97
5,695,610                    08/612,828                       12/09/97
5,695,618                    08/465,691                       12/09/97
5,695,621                    08/688,907                       12/09/97
5,695,623                    07/656,135                       12/09/97
5,695,631                    08/071,637                       12/09/97
5,695,634                    08/397,685                       12/09/97
5,695,638                    08/600,479                       12/09/97
5,695,641                    08/601,623                       12/09/97
5,695,649                    08/677,602                       12/09/97
5,695,655                    08/531,334                       12/09/97
5,695,656                    08/572,716                       12/09/97
5,695,663                    08/505,310                       12/09/97
5,695,668                    08/525,457                       12/09/97
5,695,676                    08/552,051                       12/09/97
5,695,679                    08/496,836                       12/09/97
5,695,680                    08/406,978                       12/09/97
5,695,681                    08/624,918                       12/09/97
5,695,683                    08/315,091                       12/09/97
5,695,686                    08/605,076                       12/09/97
5,695,689                    08/530,628                       12/09/97
5,695,692                    08/588,429                       12/09/97
5,695,695                    08/561,303                       12/09/97
5,695,703                    08/508,977                       12/09/97
5,695,709                    08/485,538                       12/09/97
5,695,711                    08/563,569                       12/09/97
5,695,713                    08/575,821                       12/09/97
5,695,728                    08/661,151                       12/09/97
5,695,731                    08/478,393                       12/09/97
5,695,737                    08/476,117                       12/09/97
5,695,738                    08/490,965                       12/09/97
5,695,748                    08/540,892                       12/09/97
5,695,749                    08/244,453                       12/09/97
5,695,764                    08/618,788                       12/09/97
5,695,765                    08/378,097                       12/09/97
5,695,775                    08/513,093                       12/09/97
5,695,792                    08/654,557                       12/09/97
5,695,801                    08/371,316                       12/09/97
5,695,806                    08/516,868                       12/09/97
5,695,811                    08/257,811                       12/09/97
5,695,833                    08/662,160                       12/09/97
5,695,834                    08/673,146                       12/09/97
5,695,862                    08/450,746                       12/09/97
5,695,863                    08/488,539                       12/09/97
5,695,865                    08/557,908                       12/09/97
5,695,867                    08/472,516                       12/09/97
5,695,889                    08/644,146                       12/09/97
5,695,895                    08/564,115                       12/09/97
5,695,906                    08/328,775                       12/09/97
5,695,925                    08/526,144                       12/09/97
5,695,946                    08/433,076                       12/09/97
5,695,951                    08/360,143                       12/09/97
5,695,956                    08/213,452                       12/09/97
5,695,959                    08/457,272                       12/09/97
5,695,961                    08/507,455                       12/09/97
5,695,962                    08/628,103                       12/09/97
5,695,971                    08/418,194                       12/09/97
5,695,974                    08/683,974                       12/09/97
5,695,975                    08/471,552                       12/09/97
5,695,977                    08/643,886                       12/09/97
5,695,979                    08/411,474                       12/09/97
5,695,988                    08/341,566                       12/09/97
5,696,032                    08/774,540                       12/09/97
5,696,053                    08/453,967                       12/09/97
5,696,054                    08/403,433                       12/09/97
5,696,062                    08/750,003                       12/09/97
5,696,074                    08/564,293                       12/09/97
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