United States Patent and Trademark Office OG Notices: 15 January 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 November 14, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                         Serial                           Issue
Number                         Number                            Date

4,879,778                    07/278,983                      11/14/89
4,879,797                    07/250,781                      11/14/89
4,879,802                    07/192,188                      11/14/89
4,879,806                    07/227,876                      11/14/89
4,879,809                    07/168,350                      11/14/89
4,879,827                    07/152,756                      11/14/89
4,879,832                    07/248,198                      11/14/89
4,879,835                    07/289,684                      11/14/89
4,879,846                    07/226,349                      11/14/89
4,879,850                    07/188,834                      11/14/89
4,879,851                    07/157,219                      11/14/89
4,879,855                    07/183,730                      11/14/89
4,879,863                    07/223,065                      11/14/89
4,879,876                    07/305,569                      11/14/89
4,879,879                    07/253,715                      11/14/89
4,879,906                    07/226,423                      11/14/89
4,879,907                    07/014,577                      11/14/89
4,879,924                    07/225,927                      11/14/89
4,879,929                    07/202,451                      11/14/89
4,879,939                    07/171,741                      11/14/89
4,879,945                    07/215,061                      11/14/89
4,879,946                    07/138,552                      11/14/89
4,879,947                    07/120,724                      11/14/89
4,879,951                    07/259,771                      11/14/89
4,879,959                    07/118,933                      11/14/89
4,879,965                    06/616,266                      11/14/89
4,879,972                    07/233,898                      11/14/89
4,879,974                    07/167,490                      11/14/89
4,879,976                    07/094,548                      11/14/89
4,879,979                    07/174,700                      11/14/89
4,879,984                    07/299,587                      11/14/89
4,879,985                    07/175,685                      11/14/89
4,880,001                    07/145,140                      11/14/89
4,880,016                    07/193,695                      11/14/89
4,880,023                    07/252,857                      11/14/89
4,880,030                    07/224,048                      11/14/89
4,880,037                    07/277,797                      11/14/89
4,880,043                    07/152,294                      11/14/89
4,880,048                    07/242,167                      11/14/89
4,880,051                    07/070,771                      11/14/89
4,880,056                    07/217,703                      11/14/89
4,880,059                    07/231,737                      11/14/89
4,880,070                    07/283,629                      11/14/89
4,880,073                    07/278,751                      11/14/89
4,880,074                    07/198,394                      11/14/89
4,880,085                    07/135,324                      11/14/89
4,880,086                    07/202,979                      11/14/89
4,880,087                    07/130,744                      11/14/89
4,880,094                    07/145,347                      11/14/89
4,880,107                    07/080,753                      11/14/89
4,880,114                    07/215,687                      11/14/89
4,880,121                    07/175,166                      11/14/89
4,880,126                    07/168,244                      11/14/89
4,880,128                    07/285,819                      11/14/89
4,880,156                    07/214,183                      11/14/89
4,880,157                    07/218,411                      11/14/89
4,880,158                    07/125,706                      11/14/89
4,880,168                    07/073,968                      11/14/89
4,880,172                    07/155,577                      11/14/89
4,880,186                    07/109,726                      11/14/89
4,880,193                    07/083,012                      11/14/89
4,880,203                    07/260,185                      11/14/89
4,880,205                    07/252,684                      11/14/89
4,880,206                    07/272,882                      11/14/89
4,880,207                    07/314,353                      11/14/89
4,880,216                    06/659,714                      11/14/89
4,880,220                    06/942,012                      11/14/89
4,880,228                    07/257,526                      11/14/89
4,880,229                    07/175,911                      11/14/89
4,880,233                    07/253,081                      11/14/89
4,880,240                    07/247,766                      11/14/89
4,880,242                    07/160,731                      11/14/89
4,880,249                    07/211,762                      11/14/89
4,880,250                    07/238,262                      11/14/89
4,880,256                    07/325,063                      11/14/89
4,880,264                    07/176,506                      11/14/89
4,880,270                    07/261,525                      11/14/89
4,880,274                    07/202,010                      11/14/89
4,880,294                    07/159,696                      11/14/89
4,880,300                    07/191,079                      11/14/89
4,880,301                    07/191,524                      11/14/89
4,880,303                    07/155,202                      11/14/89
4,880,311                    06/921,254                      11/14/89
4,880,318                    07/144,070                      11/14/89
4,880,322                    07/195,783                      11/14/89
4,880,327                    07/245,285                      11/14/89
4,880,328                    07/271,276                      11/14/89
4,880,331                    07/185,908                      11/14/89
4,880,334                    07/180,461                      11/14/89
4,880,340                    07/222,691                      11/14/89
4,880,346                    07/109,268                      11/14/89
4,880,349                    07/197,574                      11/14/89
4,880,350                    07/240,671                      11/14/89
4,880,351                    07/054,499                      11/14/89
4,880,352                    07/124,071                      11/14/89
4,880,353                    07/168,655                      11/14/89
4,880,377                    06/666,145                      11/14/89
4,880,382                    06/937,566                      11/14/89
4,880,383                    07/123,606                      11/14/89
4,880,384                    07/305,774                      11/14/89
4,880,386                    07/273,398                      11/14/89
4,880,388                    07/217,745                      11/14/89
4,880,390                    07/262,456                      11/14/89
4,880,392                    07/315,178                      11/14/89
4,880,399                    07/301,098                      11/14/89
4,880,406                    07/199,449                      11/14/89
4,880,412                    07/153,934                      11/14/89
4,880,418                    07/160,815                      11/14/89
4,880,422                    07/215,418                      11/14/89
4,880,431                    07/130,293                      11/14/89
4,880,440                    07/242,604                      11/14/89
4,880,450                    07/161,632                      11/14/89
4,880,456                    07/026,378                      11/14/89
4,880,482                    07/183,553                      11/14/89
4,880,506                    07/117,880                      11/14/89
4,880,510                    07/293,594                      11/14/89
4,880,513                    06/876,911                      11/14/89
4,880,530                    07/214,765                      11/14/89
4,880,539                    07/109,431                      11/14/89
4,880,541                    07/172,441                      11/14/89
4,880,542                    07/193,712                      11/14/89
4,880,563                    06/890,337                      11/14/89
4,880,564                    07/099,034                      11/14/89
4,880,569                    07/142,291                      11/14/89
4,880,573                    07/073,458                      11/14/89
4,880,576                    06/908,460                      11/14/89
4,880,579                    07/159,436                      11/14/89
4,880,595                    07/303,055                      11/14/89
4,880,608                    07/213,798                      11/14/89
4,880,622                    06/865,504                      11/14/89
4,880,623                    06/918,382                      11/14/89
4,880,634                    07/066,459                      11/14/89
4,880,641                    07/192,058                      11/14/89
4,880,643                    07/081,570                      11/14/89
4,880,649                    07/167,749                      11/14/89
4,880,651                    07/171,000                      11/14/89
4,880,675                    07/185,715                      11/14/89
4,880,683                    07/192,486                      11/14/89
4,880,684                    07/167,290                      11/14/89
4,880,705                    07/289,987                      11/14/89
4,880,718                    07/274,969                      11/14/89
4,880,719                    07/212,983                      11/14/89
4,880,740                    06/661,629                      11/14/89
4,880,745                    07/012,649                      11/14/89
4,880,748                    07/222,858                      11/14/89
4,880,752                    07/298,524                      11/14/89
4,880,761                    07/280,757                      11/14/89
4,880,770                    07/046,593                      11/14/89
4,880,775                    07/305,373                      11/14/89
4,880,779                    07/080,529                      11/14/89
4,880,789                    07/238,985                      11/14/89
4,880,791                    07/219,809                      11/14/89
4,880,797                    07/028,576                      11/14/89
4,880,799                    07/305,970                      11/14/89
4,880,801                    07/198,971                      11/14/89
4,880,806                    07/076,890                      11/14/89
4,880,811                    07/066,616                      11/14/89
4,880,816                    07/116,583                      11/14/89
4,880,818                    07/218,749                      11/14/89
4,880,819                    07/242,333                      11/14/89
4,880,833                    06/908,865                      11/14/89
4,880,862                    07/213,538                      11/14/89
4,880,863                    07/211,626                      11/14/89
4,880,864                    07/138,982                      11/14/89
4,880,869                    07/251,376                      11/14/89
4,880,870                    06/762,746                      11/14/89
4,880,873                    07/170,628                      11/14/89
4,880,877                    06/946,058                      11/14/89
4,880,889                    07/134,576                      11/14/89
4,880,895                    07/032,643                      11/14/89
4,880,899                    07/164,935                      11/14/89
4,880,914                    06/778,933                      11/14/89
4,880,915                    06/799,509                      11/14/89
4,880,919                    06/948,384                      11/14/89
4,880,920                    07/093,332                      11/14/89
4,880,927                    07/129,939                      11/14/89
4,880,934                    07/279,906                      11/14/89
4,880,937                    07/157,246                      11/14/89
4,880,941                    07/090,324                      11/14/89
4,880,945                    07/191,267                      11/14/89
4,880,946                    07/222,641                      11/14/89
4,880,950                    07/160,358                      11/14/89
4,880,960                    07/165,079                      11/14/89
4,880,962                    07/160,055                      11/14/89
4,880,963                    07/120,279                      11/14/89
4,880,967                    07/344,522                      11/14/89
4,880,975                    07/229,981                      11/14/89
4,880,977                    07/197,458                      11/14/89
4,880,979                    07/158,735                      11/14/89
4,880,980                    07/230,795                      11/14/89
4,880,983                    07/175,887                      11/14/89
4,880,985                    07/253,597                      11/14/89
4,880,989                    07/088,427                      11/14/89
4,880,994                    07/166,121                      11/14/89
4,880,996                    07/234,451                      11/14/89
4,881,002                    07/205,196                      11/14/89
4,881,003                    07/269,794                      11/14/89
4,881,005                    07/216,350                      11/14/89
4,881,009                    06/557,812                      11/14/89
4,881,014                    07/287,632                      11/14/89
4,881,017                    07/164,900                      11/14/89
4,881,021                    07/112,002                      11/14/89
4,881,029                    06/911,739                      11/14/89
4,881,030                    07/182,845                      11/14/89
4,881,032                    07/260,633                      11/14/89
4,881,043                    07/242,998                      11/14/89
4,881,045                    07/260,854                      11/14/89
4,881,056                    07/180,134                      11/14/89
4,881,062                    07/219,153                      11/14/89
4,881,074                    07/190,691                      11/14/89
4,881,090                    07/243,631                      11/14/89
4,881,094                    07/154,585                      11/14/89
4,881,103                    07/114,867                      11/14/89
4,881,107                    07/213,073                      11/14/89
4,881,115                    07/312,268                      11/14/89
4,881,119                    07/306,243                      11/14/89
4,881,124                    07/220,978                      11/14/89
4,881,134                    07/170,496                      11/14/89
4,881,135                    07/248,197                      11/14/89
4,881,136                    06/927,960                      11/14/89
4,881,137                    07/240,423                      11/14/89
4,881,144                    07/142,697                      11/14/89
4,881,150                    07/217,493                      11/14/89
4,881,152                    07/245,989                      11/14/89
4,881,157                    07/344,812                      11/14/89
4,881,158                    07/346,641                      11/14/89
4,881,164                    07/051,178                      11/14/89
4,881,174                    07/215,471                      11/14/89
4,881,176                    07/147,331                      11/14/89
4,881,179                    07/166,572                      11/14/89
4,881,188                    07/125,680                      11/14/89
4,881,190                    06/902,843                      11/14/89
4,881,202                    07/138,800                      11/14/89
4,881,214                    07/048,573                      11/14/89
4,881,224                    07/259,803                      11/14/89
4,881,231                    07/277,028                      11/14/89
4,881,236                    07/184,745                      11/14/89
4,881,255                    07/245,574                      11/14/89

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

Patent                         Serial                           Issue
Number                         Number                            Date

5,259,069                    07/822,214                      11/09/93
5,259,077                    07/870,557                      11/09/93
5,259,080                    07/626,485                      11/09/93
5,259,084                    08/005,338                      11/09/93
5,259,098                    07/848,191                      11/09/93
5,259,103                    07/853,131                      11/09/93
5,259,105                    07/481,297                      11/09/93
5,259,116                    07/877,529                      11/09/93
5,259,121                    07/768,747                      11/09/93
5,259,123                    07/700,293                      11/09/93
5,259,135                    07/650,562                      11/09/93
5,259,139                    07/963,380                      11/09/93
5,259,141                    07/781,916                      11/09/93
5,259,142                    07/864,228                      11/09/93
5,259,147                    08/022,743                      11/09/93
5,259,151                    07/811,850                      11/09/93
5,259,166                    07/751,337                      11/09/93
5,259,177                    07/784,552                      11/09/93
5,259,182                    08/017,174                      11/09/93
5,259,190                    07/848,094                      11/09/93
5,259,195                    07/909,598                      11/09/93
5,259,197                    07/883,369                      11/09/93
5,259,200                    07/753,162                      11/09/93
5,259,203                    07/883,415                      11/09/93
5,259,207                    07/928,073                      11/09/93
5,259,208                    07/960,097                      11/09/93
5,259,212                    07/627,495                      11/09/93
5,259,214                    07/989,903                      11/09/93
5,259,215                    08/022,947                      11/09/93
5,259,222                    07/872,930                      11/09/93
5,259,223                    07/703,928                      11/09/93
5,259,225                    07/827,992                      11/09/93
5,259,232                    07/817,096                      11/09/93
5,259,233                    07/690,627                      11/09/93
5,259,234                    07/848,562                      11/09/93
5,259,238                    07/799,544                      11/09/93
5,259,241                    07/781,148                      11/09/93
5,259,248                    07/672,113                      11/09/93
5,259,251                    07/790,831                      11/09/93
5,259,252                    07/839,122                      11/09/93
5,259,256                    07/924,547                      11/09/93
5,259,257                    07/968,502                      11/09/93
5,259,259                    07/969,374                      11/09/93
5,259,266                    07/898,466                      11/09/93
5,259,271                    07/995,399                      11/09/93
5,259,282                    07/915,243                      11/09/93
5,259,283                    07/907,070                      11/09/93
5,259,286                    07/970,383                      11/09/93
5,259,288                    07/953,686                      11/09/93
5,259,290                    07/921,635                      11/09/93
5,259,293                    07/832,036                      11/09/93
5,259,295                    08/003,270                      11/09/93
5,259,301                    07/893,189                      11/09/93
5,259,307                    07/698,595                      11/09/93
5,259,309                    08/010,579                      11/09/93
5,259,315                    07/898,134                      11/09/93
5,259,317                    06/700,924                      11/09/93
5,259,319                    07/855,229                      11/09/93
5,259,326                    07/686,660                      11/09/93
5,259,328                    07/892,262                      11/09/93
5,259,336                    07/810,956                      11/09/93
5,259,348                    07/885,440                      11/09/93
5,259,354                    07/748,284                      11/09/93
5,259,355                    07/864,728                      11/09/93
5,259,358                    07/913,249                      11/09/93
5,259,360                    07/953,143                      11/09/93
5,259,361                    07/852,220                      11/09/93
5,259,362                    07/896,331                      11/09/93
5,259,365                    07/942,339                      11/09/93
5,259,366                    07/970,833                      11/09/93
5,259,368                    07/761,808                      11/09/93
5,259,371                    07/928,757                      11/09/93
5,259,378                    07/671,711                      11/09/93
5,259,379                    07/864,854                      11/09/93
5,259,396                    07/844,181                      11/09/93
5,259,405                    07/826,884                      11/09/93
5,259,406                    08/001,201                      11/09/93
5,259,417                    07/811,211                      11/09/93
5,259,431                    07/445,822                      11/09/93
5,259,432                    07/800,012                      11/09/93
5,259,435                    07/620,855                      11/09/93
5,259,438                    07/862,607                      11/09/93
5,259,441                    07/848,799                      11/09/93
5,259,445                    07/912,506                      11/09/93
5,259,450                    07/946,898                      11/09/93
5,259,451                    07/914,672                      11/09/93
5,259,454                    07/868,600                      11/09/93
5,259,457                    07/967,242                      11/09/93
5,259,460                    07/848,978                      11/09/93
5,259,463                    07/955,585                      11/09/93
5,259,472                    07/805,583                      11/09/93
5,259,474                    07/830,935                      11/09/93
5,259,475                    07/875,866                      11/09/93
5,259,479                    07/775,909                      11/09/93
5,259,482                    07/886,889                      11/09/93
5,259,485                    07/956,368                      11/09/93
5,259,486                    07/834,586                      11/09/93
5,259,492                    07/998,510                      11/09/93
5,259,493                    07/998,482                      11/09/93
5,259,498                    07/784,321                      11/09/93
5,259,499                    07/989,545                      11/09/93
5,259,501                    07/757,132                      11/09/93
5,259,509                    07/847,725                      11/09/93
5,259,510                    07/861,269                      11/09/93
5,259,517                    07/969,782                      11/09/93
5,259,519                    08/002,945                      11/09/93
5,259,520                    07/841,683                      11/09/93
5,259,526                    08/026,263                      11/09/93
5,259,527                    07/876,766                      11/09/93
5,259,529                    07/988,472                      11/09/93
5,259,530                    07/772,093                      11/09/93
5,259,535                    07/902,814                      11/09/93
5,259,536                    07/991,140                      11/09/93
5,259,537                    07/850,047                      11/09/93
5,259,556                    07/819,351                      11/09/93
5,259,566                    07/820,592                      11/09/93
5,259,567                    07/848,981                      11/09/93
5,259,572                    07/940,189                      11/09/93
5,259,577                    07/806,607                      11/09/93
5,259,585                    07/769,461                      11/09/93
5,259,586                    07/883,982                      11/09/93
5,259,590                    07/916,960                      11/09/93
5,259,591                    07/935,533                      11/09/93
5,259,595                    07/851,680                      11/09/93
5,259,596                    07/864,855                      11/09/93
5,259,598                    07/863,868                      11/09/93
5,259,601                    07/951,588                      11/09/93
5,259,603                    07/828,259                      11/09/93
5,259,605                    07/815,080                      11/09/93
5,259,606                    07/943,989                      11/09/93
5,259,614                    07/925,612                      11/09/93
5,259,624                    07/957,014                      11/09/93
5,259,630                    07/961,335                      11/09/93
5,259,633                    07/889,563                      11/09/93
5,259,638                    07/782,373                      11/09/93
5,259,642                    07/833,670                      11/09/93
5,259,643                    07/822,668                      11/09/93
5,259,644                    07/800,044                      11/09/93
5,259,647                    07/845,351                      11/09/93
5,259,651                    07/876,505                      11/09/93
5,259,653                    07/768,404                      11/09/93
5,259,656                    07/989,883                      11/09/93
5,259,658                    07/974,819                      11/09/93
5,259,661                    07/957,992                      11/09/93
5,259,663                    07/770,103                      11/09/93
5,259,665                    07/932,293                      11/09/93
5,259,670                    07/508,062                      11/09/93
5,259,672                    07/834,261                      11/09/93
5,259,678                    07/667,397                      11/09/93
5,259,686                    07/766,590                      11/09/93
5,259,688                    07/711,941                      11/09/93
5,259,692                    07/940,982                      11/09/93
5,259,698                    07/818,857                      11/09/93
5,259,704                    07/758,594                      11/09/93
5,259,705                    07/985,944                      11/09/93
5,259,706                    07/937,137                      11/09/93
5,259,708                    07/987,009                      11/09/93
5,259,711                    07/912,516                      11/09/93
5,259,714                    07/994,341                      11/09/93
5,259,715                    07/735,435                      11/09/93
5,259,721                    07/427,588                      11/09/93
5,259,732                    07/875,920                      11/09/93
5,259,735                    07/873,175                      11/09/93
5,259,736                    07/992,734                      11/09/93
5,259,739                    07/859,039                      11/09/93
5,259,745                    07/713,844                      11/09/93
5,259,751                    07/855,602                      11/09/93
5,259,753                    07/606,659                      11/09/93
5,259,766                    07/807,008                      11/09/93
5,259,770                    07/854,123                      11/09/93
5,259,771                    07/933,257                      11/09/93
5,259,777                    07/894,331                      11/09/93
5,259,789                    08/021,405                      11/09/93
5,259,800                    07/961,240                      11/09/93
5,259,803                    07/682,730                      11/09/93
5,259,804                    07/921,934                      11/09/93
5,259,806                    07/937,148                      11/09/93
5,259,807                    07/782,819                      11/09/93
5,259,809                    07/843,316                      11/09/93
5,259,813                    07/841,189                      11/09/93
5,259,825                    07/706,287                      11/09/93
5,259,827                    07/820,919                      11/09/93
5,259,830                    07/836,342                      11/09/93
5,259,831                    07/943,751                      11/09/93
5,259,841                    07/840,495                      11/09/93
5,259,845                    07/679,754                      11/09/93
5,259,849                    07/896,573                      11/09/93
5,259,852                    07/718,332                      11/09/93
5,259,853                    07/988,491                      11/09/93
5,259,857                    07/770,932                      11/09/93
5,259,858                    07/812,480                      11/09/93
5,259,859                    07/939,325                      11/09/93
5,259,862                    07/956,235                      11/09/93
5,259,863                    07/887,743                      11/09/93
5,259,864                    07/958,043                      11/09/93
5,259,865                    08/056,341                      11/09/93
5,259,879                    07/890,610                      11/09/93
5,259,893                    07/787,982                      11/09/93
5,259,895                    07/830,356                      11/09/93
5,259,896                    07/353,242                      11/09/93
5,259,898                    07/808,026                      11/09/93
5,259,904                    07/880,253                      11/09/93
5,259,907                    07/983,973                      11/09/93
5,259,919                    07/776,339                      11/09/93
5,259,933                    07/946,190                      11/09/93
5,259,938                    07/944,673                      11/09/93
5,259,939                    07/753,279                      11/09/93
5,259,942                    07/895,562                      11/09/93
5,259,948                    07/940,412                      11/09/93
5,259,954                    07/809,272                      11/09/93
5,259,961                    07/892,792                      11/09/93
5,259,963                    07/783,056                      11/09/93
5,259,965                    07/759,363                      11/09/93
5,259,970                    07/840,096                      11/09/93
5,259,978                    08/013,113                      11/09/93
5,259,982                    08/006,012                      11/09/93
5,259,983                    07/873,857                      11/09/93
5,259,984                    07/881,205                      11/09/93
5,259,986                    07/816,425                      11/09/93
5,259,988                    07/985,204                      11/09/93
5,260,006                    07/799,740                      11/09/93
5,260,008                    07/773,563                      11/09/93
5,260,010                    07/773,637                      11/09/93
5,260,014                    07/714,483                      11/09/93
5,260,018                    07/770,455                      11/09/93
5,260,027                    07/876,425                      11/09/93
5,260,035                    07/925,020                      11/09/93
5,260,036                    07/843,422                      11/09/93
5,260,038                    07/865,361                      11/09/93
5,260,045                    07/796,603                      11/09/93
5,260,049                    07/876,933                      11/09/93
5,260,051                    07/628,243                      11/09/93
5,260,053                    07/866,199                      11/09/93
5,260,064                    07/680,723                      11/09/93
5,260,066                    07/821,627                      11/09/93
5,260,076                    08/011,277                      11/09/93
5,260,082                    07/946,207                      11/09/93
5,260,102                    07/790,978                      11/09/93
5,260,103                    07/553,417                      11/09/93
5,260,108                    07/849,273                      11/09/93
5,260,125                    07/684,317                      11/09/93
5,260,128                    07/708,002                      11/09/93
5,260,129                    07/816,312                      11/09/93
5,260,136                    07/955,670                      11/09/93
5,260,166                    07/845,636                      11/09/93
5,260,167                    07/770,630                      11/09/93
5,260,168                    07/902,418                      11/09/93
5,260,169                    07/780,356                      11/09/93
5,260,186                    07/716,755                      11/09/93
5,260,188                    07/885,184                      11/09/93
5,260,197                    07/407,148                      11/09/93
5,260,204                    07/944,939                      11/09/93
5,260,206                    07/938,599                      11/09/93
5,260,220                    07/794,278                      11/09/93
5,260,261                    07/989,317                      11/09/93
5,260,266                    07/833,194                      11/09/93
5,260,268                    08/039,540                      11/09/93
5,260,281                    07/877,507                      11/09/93
5,260,286                    07/961,811                      11/09/93
5,260,296                    07/882,484                      11/09/93
5,260,297                    07/815,220                      11/09/93
5,260,298                    07/839,981                      11/09/93
5,260,302                    07/597,665                      11/09/93
5,260,307                    07/719,429                      11/09/93
5,260,316                    07/893,142                      11/09/93
5,260,321                    07/728,911                      11/09/93
5,260,323                    07/978,467                      11/09/93
5,260,327                    07/925,813                      11/09/93
5,260,337                    07/921,882                      11/09/93
5,260,339                    07/958,204                      11/09/93
5,260,344                    07/850,816                      11/09/93
5,260,346                    07/979,943                      11/09/93
5,260,353                    07/962,343                      11/09/93
5,260,354                    07/847,966                      11/09/93
5,260,357                    07/876,016                      11/09/93
5,260,359                    07/940,329                      11/09/93
5,260,362                    07/819,318                      11/09/93
5,260,368                    07/911,275                      11/09/93
5,260,388                    07/894,940                      11/09/93
5,260,389                    07/866,927                      11/09/93
5,260,396                    07/970,246                      11/09/93
5,260,398                    07/837,464                      11/09/93
5,260,404                    07/919,640                      11/09/93
5,260,407                    07/550,015                      11/09/93
5,260,410                    07/844,977                      11/09/93
5,260,414                    07/904,096                      11/09/93
5,260,415                    07/850,090                      11/09/93
5,260,428                    07/988,975                      11/09/93
5,260,435                    07/838,781                      11/09/93
5,260,436                    08/005,231                      11/09/93
5,260,441                    07/316,846                      11/09/93
5,260,443                    07/931,023                      11/09/93
5,260,452                    07/753,547                      11/09/93
5,260,454                    08/015,959                      11/09/93
5,260,468                    07/823,766                      11/09/93
5,260,474                    07/852,484                      11/09/93
5,260,475                    07/719,467                      11/09/93
5,260,476                    07/932,227                      11/09/93
5,260,477                    07/452,804                      11/09/93
5,260,480                    07/883,930                      11/09/93
5,260,482                    07/960,990                      11/09/93
5,260,483                    07/756,420                      11/09/93
5,260,497                    07/876,140                      11/09/93
5,260,520                    07/864,888                      11/09/93
5,260,525                    07/816,464                      11/09/93
5,260,526                    07/876,816                      11/09/93
5,260,541                    07/804,064                      11/09/93
5,260,546                    07/913,874                      11/09/93
5,260,547                    07/848,254                      11/09/93
5,260,549                    07/812,623                      11/09/93
5,260,553                    07/583,421                      11/09/93
5,260,558                    07/886,129                      11/09/93
5,260,568                    08/023,861                      11/09/93
5,260,584                    07/911,501                      11/09/93
5,260,599                    07/611,732                      11/09/93
5,260,602                    07/850,025                      11/09/93
5,260,613                    07/906,974                      11/09/93
5,260,621                    07/672,879                      11/09/93
5,260,624                    07/724,591                      11/09/93
5,260,629                    07/719,612                      11/09/93
5,260,635                    07/984,733                      11/09/93
5,260,640                    07/986,828                      11/09/93
5,260,642                    07/693,729                      11/09/93
5,260,650                    07/768,911                      11/09/93
5,260,658                    07/802,542                      11/09/93
5,260,671                    07/883,466                      11/09/93
5,260,674                    07/924,525                      11/09/93
5,260,678                    07/680,699                      11/09/93
5,260,681                    07/795,923                      11/09/93
5,260,695                    07/939,847                      11/09/93
5,260,697                    07/613,325                      11/09/93
5,260,699                    07/766,812                      11/09/93
5,260,710                    07/825,525                      11/09/93
5,260,713                    07/684,948                      11/09/93
5,260,722                    07/785,970                      11/09/93
5,260,723                    07/522,328                      11/09/93
5,260,727                    07/601,853                      11/09/93
5,260,743                    07/947,504                      11/09/93
5,260,748                    07/890,054                      11/09/93
5,260,760                    07/796,666                      11/09/93
5,260,761                    07/803,260                      11/09/93
5,260,764                    07/530,102                      11/09/93
5,260,780                    07/792,813                      11/09/93
5,260,792                    07/864,569                      11/09/93
5,260,796                    07/700,680                      11/09/93
5,260,801                    07/705,820                      11/09/93
5,260,813                    07/666,047                      11/09/93
5,260,821                    07/863,937                      11/09/93
5,260,829                    07/868,886                      11/09/93
5,260,840                    07/851,879                      11/09/93
5,260,863                    07/812,866                      11/09/93
5,260,871                    07/738,460                      11/09/93
5,260,882                    07/636,629                      11/09/93
5,260,883                    07/816,578                      11/09/93
5,260,884                    07/731,798                      11/09/93
5,260,901                    07/774,985                      11/09/93
5,260,914                    07/851,784                      11/09/93
5,260,917                    07/535,896                      11/09/93
5,260,924                    07/770,384                      11/09/93
5,260,931                    07/770,093                      11/09/93
5,260,961                    07/885,078                      11/09/93
5,260,962                    07/894,507                      11/09/93
5,260,994                    07/765,558                      11/09/93
5,260,998                    07/756,908                      11/09/93
5,261,006                    07/608,074                      11/09/93
5,261,014                    07/939,614                      11/09/93
5,261,018                    07/840,891                      11/09/93
5,261,020                    07/971,654                      11/09/93
5,261,031                    07/506,026                      11/09/93
5,261,033                    07/607,279                      11/09/93
5,261,035                    07/708,489                      11/09/93
5,261,036                    07/982,125                      11/09/93
5,261,037                    07/715,753                      11/09/93
5,261,042                    07/440,419                      11/09/93
5,261,045                    07/687,781                      11/09/93
5,261,049                    07/733,906                      11/09/93
5,261,056                    07/891,100                      11/09/93
5,261,072                    07/785,486                      11/09/93
5,261,078                    07/560,774                      11/09/93
5,261,084                    07/911,792                      11/09/93
5,261,086                    07/963,018                      11/09/93
5,261,088                    07/514,904                      11/09/93
5,261,093                    07/608,943                      11/09/93
5,261,100                    07/363,509                      11/09/93
5,261,105                    07/518,894                      11/09/93
5,261,108                    07/995,907                      11/09/93

                  PATENTS WHICH EXPIRED ON November 11, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                         Serial                           Issue
Number                         Number                            Date

5,685,020                    08/694,560                      11/11/97
5,685,022                    08/528,127                      11/11/97
5,685,024                    08/643,874                      11/11/97
5,685,025                    08/633,233                      11/11/97
5,685,029                    08/554,253                      11/11/97
5,685,030                    08/674,205                      11/11/97
5,685,040                    08/141,714                      11/11/97
5,685,044                    08/538,244                      11/11/97
5,685,049                    08/528,709                      11/11/97
5,685,051                    08/652,420                      11/11/97
5,685,052                    08/635,426                      11/11/97
5,685,053                    08/449,690                      11/11/97
5,685,054                    08/251,592                      11/11/97
5,685,057                    08/431,895                      11/11/97
5,685,060                    08/468,063                      11/11/97
5,685,061                    08/425,866                      11/11/97
5,685,075                    08/600,998                      11/11/97
5,685,081                    08/525,225                      11/11/97
5,685,082                    08/533,813                      11/11/97
5,685,085                    08/612,120                      11/11/97
5,685,092                    08/603,244                      11/11/97
5,685,093                    08/623,950                      11/11/97
5,685,099                    08/433,751                      11/11/97
5,685,100                    08/524,092                      11/11/97
5,685,103                    08/634,745                      11/11/97
5,685,104                    08/686,917                      11/11/97
5,685,105                    08/488,631                      11/11/97
5,685,106                    08/609,814                      11/11/97
5,685,107                    08/496,930                      11/11/97
5,685,116                    08/441,251                      11/11/97
5,685,118                    08/484,976                      11/11/97
5,685,120                    08/500,954                      11/11/97
5,685,122                    08/438,769                      11/11/97
5,685,133                    08/328,582                      11/11/97
5,685,134                    08/577,080                      11/11/97
5,685,152                    08/425,992                      11/11/97
5,685,161                    08/591,045                      11/11/97
5,685,164                    08/498,246                      11/11/97
5,685,165                    08/679,139                      11/11/97
5,685,166                    08/598,025                      11/11/97
5,685,171                    08/610,224                      11/11/97
5,685,176                    08/665,476                      11/11/97
5,685,179                    08/625,370                      11/11/97
5,685,180                    08/633,597                      11/11/97
5,685,186                    08/357,397                      11/11/97
5,685,198                    08/518,786                      11/11/97
5,685,199                    08/642,160                      11/11/97
5,685,206                    08/588,968                      11/11/97
5,685,207                    08/586,121                      11/11/97
5,685,216                    08/505,138                      11/11/97
5,685,221                    08/371,732                      11/11/97
5,685,233                    08/688,986                      11/11/97
5,685,239                    08/700,145                      11/11/97
5,685,241                    08/710,094                      11/11/97
5,685,245                    08/367,990                      11/11/97
5,685,247                    08/602,861                      11/11/97
5,685,251                    08/723,783                      11/11/97
5,685,253                    08/492,494                      11/11/97
5,685,255                    08/625,374                      11/11/97
5,685,256                    08/375,301                      11/11/97
5,685,257                    08/597,393                      11/11/97
5,685,258                    08/674,822                      11/11/97
5,685,261                    08/555,939                      11/11/97
5,685,262                    08/431,789                      11/11/97
5,685,263                    08/405,794                      11/11/97
5,685,278                    08/683,841                      11/11/97
5,685,281                    08/635,663                      11/11/97
5,685,287                    08/604,724                      11/11/97
5,685,288                    08/654,225                      11/11/97
5,685,293                    08/602,326                      11/11/97
5,685,303                    08/307,667                      11/11/97
5,685,306                    08/471,750                      11/11/97
5,685,314                    08/414,888                      11/11/97
5,685,324                    08/667,473                      11/11/97
5,685,325                    08/582,971                      11/11/97
5,685,334                    08/474,865                      11/11/97
5,685,335                    08/550,176                      11/11/97
5,685,337                    08/619,335                      11/11/97
5,685,339                    08/670,064                      11/11/97
5,685,340                    08/615,047                      11/11/97
5,685,349                    08/473,021                      11/11/97
5,685,354                    08/697,045                      11/11/97
5,685,358                    08/453,005                      11/11/97
5,685,363                    08/568,767                      11/11/97
5,685,382                    08/636,278                      11/11/97
5,685,383                    08/502,449                      11/11/97
5,685,397                    08/546,280                      11/11/97
5,685,399                    08/640,324                      11/11/97
5,685,402                    08/492,586                      11/11/97
5,685,414                    08/636,178                      11/11/97
5,685,418                    08/781,554                      11/11/97
5,685,419                    08/689,600                      11/11/97
5,685,421                    08/671,753                      11/11/97
5,685,422                    08/408,598                      11/11/97
5,685,424                    08/633,303                      11/11/97
5,685,425                    08/602,373                      11/11/97
5,685,430                    08/674,540                      11/11/97
5,685,431                    08/606,776                      11/11/97
5,685,434                    08/552,472                      11/11/97
5,685,438                    08/613,630                      11/11/97
5,685,440                    08/603,451                      11/11/97
5,685,444                    08/530,419                      11/11/97
5,685,460                    08/496,678                      11/11/97
5,685,463                    08/507,342                      11/11/97
5,685,464                    08/679,423                      11/11/97
5,685,468                    08/455,259                      11/11/97
5,685,479                    08/333,287                      11/11/97
5,685,480                    08/698,664                      11/11/97
5,685,497                    08/433,023                      11/11/97
5,685,500                    08/317,705                      11/11/97
5,685,501                    08/692,912                      11/11/97
5,685,516                    08/588,433                      11/11/97
5,685,518                    08/558,111                      11/11/97
5,685,522                    08/430,778                      11/11/97
5,685,541                    08/621,991                      11/11/97
5,685,545                    08/634,856                      11/11/97
5,685,551                    08/462,944                      11/11/97
5,685,552                    08/425,295                      11/11/97
5,685,558                    08/597,280                      11/11/97
5,685,559                    08/636,541                      11/11/97
5,685,560                    08/588,678                      11/11/97
5,685,566                    08/455,145                      11/11/97
5,685,570                    08/495,664                      11/11/97
5,685,582                    08/636,343                      11/11/97
5,685,584                    08/653,045                      11/11/97
5,685,585                    08/656,301                      11/11/97
5,685,586                    08/640,599                      11/11/97
5,685,587                    08/613,840                      11/11/97
5,685,590                    08/586,941                      11/11/97
5,685,593                    08/308,133                      11/11/97
5,685,594                    08/582,679                      11/11/97
5,685,600                    08/641,575                      11/11/97
5,685,601                    08/523,157                      11/11/97
5,685,602                    08/670,027                      11/11/97
5,685,610                    08/629,399                      11/11/97
5,685,616                    08/219,008                      11/11/97
5,685,621                    08/712,158                      11/11/97
5,685,625                    08/633,435                      11/11/97
5,685,628                    08/428,192                      11/11/97
5,685,632                    08/454,842                      11/11/97
5,685,633                    08/452,918                      11/11/97
5,685,634                    08/701,686                      11/11/97
5,685,635                    08/495,240                      11/11/97
5,685,638                    08/661,400                      11/11/97
5,685,640                    08/676,911                      11/11/97
5,685,649                    08/573,041                      11/11/97
5,685,673                    08/626,465                      11/11/97
5,685,676                    08/382,907                      11/11/97
5,685,694                    08/553,189                      11/11/97
5,685,697                    08/510,384                      11/11/97
5,685,698                    08/681,997                      11/11/97
5,685,705                    08/394,746                      11/11/97
5,685,709                    08/267,342                      11/11/97
5,685,710                    08/553,598                      11/11/97
5,685,711                    08/568,219                      11/11/97
5,685,716                    08/475,884                      11/11/97
5,685,719                    08/372,082                      11/11/97
5,685,734                    08/357,448                      11/11/97
5,685,736                    08/629,072                      11/11/97
5,685,743                    08/554,050                      11/11/97
5,685,748                    08/583,158                      11/11/97
5,685,751                    08/675,689                      11/11/97
5,685,753                    08/730,127                      11/11/97
5,685,761                    08/534,557                      11/11/97
5,685,762                    08/496,196                      11/11/97
5,685,763                    08/517,621                      11/11/97
5,685,766                    08/564,967                      11/11/97
5,685,767                    08/497,313                      11/11/97
5,685,772                    08/336,338                      11/11/97
5,685,779                    08/632,007                      11/11/97
5,685,781                    08/603,270                      11/11/97
5,685,784                    08/697,077                      11/11/97
5,685,787                    08/675,048                      11/11/97
5,685,789                    08/744,941                      11/11/97
5,685,792                    08/561,912                      11/11/97
5,685,806                    08/673,088                      11/11/97
5,685,809                    08/539,455                      11/11/97
5,685,810                    08/649,870                      11/11/97
5,685,811                    08/574,898                      11/11/97
5,685,824                    08/466,658                      11/11/97
5,685,828                    08/547,138                      11/11/97
5,685,831                    08/674,627                      11/11/97
5,685,833                    08/557,950                      11/11/97
5,685,834                    08/282,806                      11/11/97
5,685,836                    08/475,952                      11/11/97
5,685,846                    08/394,712                      11/11/97
5,685,856                    08/607,862                      11/11/97
5,685,864                    08/490,348                      11/11/97
5,685,871                    08/596,342                      11/11/97
5,685,879                    08/667,092                      11/11/97
5,685,882                    08/505,532                      11/11/97
5,685,886                    08/544,980                      11/11/97
5,685,902                    08/574,432                      11/11/97
5,685,905                    08/612,393                      11/11/97
5,685,910                    08/556,448                      11/11/97
5,685,920                    08/440,276                      11/11/97
5,685,923                    08/579,187                      11/11/97
5,685,925                    08/547,607                      11/11/97
5,685,926                    08/583,467                      11/11/97
5,685,932                    08/522,831                      11/11/97
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