United States Patent and Trademark Office OG Notices: 19 April 2005

                        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 February 23, 2005
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                          Application                          Issue
Number                             Number                             Date

5,187,815                        07/542,873                       02/23/93
5,187,816                        07/795,015                       02/23/93
5,187,821                        07/848,997                       02/23/93
5,187,831                        07/752,355                       02/23/93
5,187,838                        07/855,291                       02/23/93
5,187,851                        07/807,533                       02/23/93
5,187,855                        07/809,666                       02/23/93
5,187,856                        07/851,730                       02/23/93
5,187,858                        07/772,635                       02/23/93
5,187,864                        07/736,666                       02/23/93
5,187,869                        07/691,548                       02/23/93
5,187,872                        07/862,024                       02/23/93
5,187,877                        07/905,673                       02/23/93
5,187,881                        07/792,170                       02/23/93
5,187,882                        07/837,039                       02/23/93
5,187,891                        07/806,012                       02/23/93
5,187,892                        07/822,634                       02/23/93
5,187,904                        07/824,156                       02/23/93
5,187,907                        07/775,031                       02/23/93
5,187,910                        07/415,644                       02/23/93
5,187,913                        07/626,214                       02/23/93
5,187,914                        07/666,589                       02/23/93
5,187,918                        07/822,188                       02/23/93
5,187,920                        07/690,186                       02/23/93
5,187,922                        07/865,214                       02/23/93
5,187,929                        07/863,328                       02/23/93
5,187,942                        07/799,538                       02/23/93
5,187,943                        07/747,943                       02/23/93
5,187,944                        07/866,601                       02/23/93
5,187,945                        07/699,002                       02/23/93
5,187,959                        07/761,464                       02/23/93
5,187,966                        07/895,142                       02/23/93
5,187,969                        07/536,917                       02/23/93
5,187,970                        07/808,813                       02/23/93
5,187,971                        07/565,463                       02/23/93
5,187,975                        07/578,005                       02/23/93
5,187,984                        07/691,906                       02/23/93
5,187,986                        07/651,131                       02/23/93
5,187,988                        07/675,504                       02/23/93
5,187,998                        07/671,112                       02/23/93
5,188,001                        07/798,317                       02/23/93
5,188,004                        07/690,891                       02/23/93
5,188,006                        07/604,503                       02/23/93
5,188,017                        07/717,043                       02/23/93
5,188,025                        07/812,548                       02/23/93
5,188,029                        07/675,981                       02/23/93
5,188,030                        07/873,174                       02/23/93
5,188,036                        07/800,323                       02/23/93
5,188,037                        07/852,645                       02/23/93
5,188,042                        07/907,541                       02/23/93
5,188,044                        07/839,092                       02/23/93
5,188,046                        07/647,343                       02/23/93
5,188,047                        07/469,661                       02/23/93
5,188,055                        07/817,762                       02/23/93
5,188,057                        07/583,555                       02/23/93
5,188,064                        07/772,142                       02/23/93
5,188,083                        07/890,427                       02/23/93
5,188,084                        07/818,257                       02/23/93
5,188,085                        07/853,289                       02/23/93
5,188,087                        07/835,247                       02/23/93
5,188,096                        07/666,513                       02/23/93
5,188,102                        07/698,229                       02/23/93
5,188,103                        07/736,861                       02/23/93
5,188,108                        07/645,042                       02/23/93
5,188,115                        07/639,860                       02/23/93
5,188,116                        07/662,578                       02/23/93
5,188,118                        07/690,628                       02/23/93
5,188,125                        07/594,379                       02/23/93
5,188,127                        07/745,521                       02/23/93
5,188,140                        07/888,194                       02/23/93
5,188,146                        07/713,167                       02/23/93
5,188,148                        07/655,012                       02/23/93
5,188,155                        07/696,139                       02/23/93
5,188,157                        07/785,267                       02/23/93
5,188,160                        07/874,525                       02/23/93
5,188,164                        07/560,746                       02/23/93
5,188,178                        07/738,755                       02/23/93
5,188,179                        07/813,195                       02/23/93
5,188,181                        07/811,518                       02/23/93
5,188,182                        07/698,449                       02/23/93
5,188,189                        07/757,835                       02/23/93
5,188,197                        07/819,337                       02/23/93
5,188,205                        07/635,583                       02/23/93
5,188,207                        07/811,718                       02/23/93
5,188,209                        07/918,303                       02/23/93
5,188,214                        07/586,558                       02/23/93
5,188,218                        07/830,615                       02/23/93
5,188,224                        07/727,830                       02/23/93
5,188,226                        07/883,943                       02/23/93
5,188,236                        07/616,407                       02/23/93
5,188,239                        07/716,049                       02/23/93
5,188,243                        07/736,942                       02/23/93
5,188,253                        07/651,461                       02/23/93
5,188,257                        07/785,769                       02/23/93
5,188,265                        07/687,384                       02/23/93
5,188,268                        07/693,481                       02/23/93
5,188,269                        07/650,967                       02/23/93
5,188,271                        07/527,972                       02/23/93
5,188,276                        07/789,499                       02/23/93
5,188,285                        07/770,323                       02/23/93
5,188,287                        07/784,209                       02/23/93
5,188,301                        07/850,132                       02/23/93
5,188,304                        07/800,764                       02/23/93
5,188,308                        07/775,427                       02/23/93
5,188,312                        07/908,601                       02/23/93
5,188,319                        07/825,688                       02/23/93
5,188,323                        07/833,380                       02/23/93
5,188,326                        07/638,315                       02/23/93
5,188,328                        07/819,820                       02/23/93
5,188,342                        07/820,844                       02/23/93
5,188,347                        07/793,586                       02/23/93
5,188,348                        07/769,542                       02/23/93
5,188,352                        07/861,669                       02/23/93
5,188,366                        07/812,735                       02/23/93
5,188,368                        07/691,028                       02/23/93
5,188,374                        07/891,073                       02/23/93
5,188,376                        07/650,940                       02/23/93
5,188,380                        07/744,444                       02/23/93
5,188,383                        07/770,477                       02/23/93
5,188,393                        07/685,906                       02/23/93
5,188,433                        07/690,912                       02/23/93
5,188,439                        07/705,677                       02/23/93
5,188,443                        07/848,012                       02/23/93
5,188,445                        07/875,048                       02/23/93
5,188,446                        07/743,107                       02/23/93
5,188,452                        07/766,787                       02/23/93
5,188,460                        07/581,421                       02/23/93
5,188,471                        07/851,949                       02/23/93
5,188,480                        07/692,467                       02/23/93
5,188,484                        07/699,017                       02/23/93
5,188,489                        07/708,422                       02/23/93
5,188,490                        07/773,569                       02/23/93
5,188,499                        07/627,327                       02/23/93
5,188,520                        07/721,140                       02/23/93
5,188,523                        07/768,229                       02/23/93
5,188,524                        07/858,900                       02/23/93
5,188,530                        07/635,119                       02/23/93
5,188,534                        07/854,508                       02/23/93
5,188,538                        07/829,775                       02/23/93
5,188,553                        07/681,220                       02/23/93
5,188,555                        07/817,055                       02/23/93
5,188,572                        07/797,748                       02/23/93
5,188,575                        07/686,897                       02/23/93
5,188,578                        07/819,788                       02/23/93
5,188,579                        07/791,997                       02/23/93
5,188,581                        07/734,512                       02/23/93
5,188,587                        07/713,236                       02/23/93
5,188,601                        07/787,915                       02/23/93
5,188,611                        07/605,568                       02/23/93
5,188,612                        07/783,742                       02/23/93
5,188,616                        07/777,660                       02/23/93
5,188,620                        07/539,278                       02/23/93
5,188,621                        07/750,558                       02/23/93
5,188,643                        07/738,758                       02/23/93
5,188,662                        07/724,577                       02/23/93
5,188,668                        07/850,651                       02/23/93
5,188,672                        07/545,425                       02/23/93
5,188,683                        07/688,213                       02/23/93
5,188,688                        07/556,816                       02/23/93
5,188,691                        07/692,178                       02/23/93
5,188,699                        07/810,358                       02/23/93
5,188,706                        07/494,397                       02/23/93
5,188,708                        07/751,359                       02/23/93
5,188,711                        07/686,894                       02/23/93
5,188,715                        07/760,546                       02/23/93
5,188,716                        07/476,881                       02/23/93
5,188,720                        07/604,675                       02/23/93
5,188,724                        07/651,698                       02/23/93
5,188,727                        07/849,782                       02/23/93
5,188,737                        07/843,158                       02/23/93
5,188,742                        07/712,758                       02/23/93
5,188,747                        07/672,447                       02/23/93
5,188,750                        07/790,088                       02/23/93
5,188,762                        07/702,320                       02/23/93
5,188,773                        07/747,184                       02/23/93
5,188,784                        07/597,695                       02/23/93
5,188,790                        07/693,627                       02/23/93
5,188,804                        07/456,896                       02/23/93
5,188,815                        07/424,264                       02/23/93
5,188,816                        07/798,599                       02/23/93
5,188,819                        07/840,734                       02/23/93
5,188,822                        07/741,697                       02/23/93
5,188,825                        07/458,311                       02/23/93
5,188,828                        07/610,221                       02/23/93
5,188,830                        07/517,915                       02/23/93
5,188,852                        07/602,246                       02/23/93
5,188,859                        07/603,580                       02/23/93
5,188,875                        07/571,874                       02/23/93
5,188,906                        07/831,028                       02/23/93
5,188,919                        07/744,410                       02/23/93
5,188,930                        07/800,762                       02/23/93
5,188,935                        07/611,381                       02/23/93
5,188,938                        07/777,489                       02/23/93
5,188,939                        07/549,893                       02/23/93
5,188,962                        07/767,472                       02/23/93
5,188,963                        07/438,592                       02/23/93
5,188,966                        07/654,110                       02/23/93
5,188,969                        07/366,568                       02/23/93
5,188,975                        07/885,852                       02/23/93
5,188,978                        07/754,276                       02/23/93
5,188,982                        07/811,495                       02/23/93
5,188,994                        07/819,171                       02/23/93
5,189,001                        07/763,525                       02/23/93
5,189,004                        07/793,127                       02/23/93
5,189,011                        07/815,576                       02/23/93
5,189,013                        07/839,603                       02/23/93
5,189,016                        07/525,861                       02/23/93
5,189,018                        07/747,794                       02/23/93
5,189,019                        07/512,695                       02/23/93
5,189,032                        07/855,372                       02/23/93
5,189,038                        07/724,680                       02/23/93
5,189,042                        07/748,583                       02/23/93
5,189,052                        07/453,648                       02/23/93
5,189,066                        07/732,951                       02/23/93
5,189,070                        07/891,322                       02/23/93
5,189,071                        07/923,758                       02/23/93
5,189,072                        07/866,087                       02/23/93
5,189,076                        07/624,170                       02/23/93
5,189,083                        07/853,564                       02/23/93
5,189,088                        07/860,795                       02/23/93
5,189,094                        07/680,005                       02/23/93
5,189,097                        07/781,715                       02/23/93
5,189,100                        07/693,535                       02/23/93
5,189,101                        07/489,298                       02/23/93
5,189,109                        07/854,781                       02/23/93
5,189,130                        07/640,860                       02/23/93
5,189,133                        07/839,454                       02/23/93
5,189,134                        07/408,382                       02/23/93
5,189,137                        07/772,175                       02/23/93
5,189,140                        07/880,443                       02/23/93
5,189,142                        07/573,600                       02/23/93
5,189,153                        07/540,172                       02/23/93
5,189,163                        07/850,161                       02/23/93
5,189,166                        07/916,298                       02/23/93
5,189,173                        07/318,047                       02/23/93
5,189,178                        07/747,752                       02/23/93
5,189,179                        07/735,700                       02/23/93
5,189,187                        07/903,476                       02/23/93
5,189,196                        07/749,487                       02/23/93
5,189,203                        07/213,584                       02/23/93
5,189,207                        07/282,073                       02/23/93
5,189,208                        07/724,166                       02/23/93
5,189,213                        07/592,027                       02/23/93
5,189,215                        07/784,746                       02/23/93
5,189,220                        07/674,316                       02/23/93
5,189,224                        07/773,431                       02/23/93
5,189,228                        07/905,711                       02/23/93
5,189,239                        07/671,209                       02/23/93
5,189,246                        07/587,914                       02/23/93
5,189,248                        07/761,878                       02/23/93
5,189,255                        07/576,593                       02/23/93
5,189,259                        07/524,657                       02/23/93
5,189,261                        07/598,466                       02/23/93
5,189,262                        07/775,871                       02/23/93
5,189,264                        07/582,243                       02/23/93
5,189,269                        07/866,600                       02/23/93
5,189,279                        07/813,746                       02/23/93
5,189,298                        07/783,413                       02/23/93
5,189,303                        07/838,926                       02/23/93
5,189,306                        07/856,605                       02/23/93
5,189,315                        07/830,706                       02/23/93
5,189,323                        07/810,395                       02/23/93
5,189,332                        07/793,622                       02/23/93
5,189,341                        07/701,027                       02/23/93
5,189,345                        07/871,992                       02/23/93
5,189,350                        07/555,466                       02/23/93
5,189,352                        07/790,267                       02/23/93
5,189,354                        07/643,245                       02/23/93
5,189,358                        07/764,705                       02/23/93
5,189,359                        07/643,317                       02/23/93
5,189,372                        07/730,095                       02/23/93
5,189,374                        07/782,559                       02/23/93
5,189,378                        07/756,067                       02/23/93
5,189,384                        07/788,692                       02/23/93
5,189,385                        07/686,046                       02/23/93
5,189,386                        07/754,230                       02/23/93
5,189,412                        07/629,091                       02/23/93
5,189,414                        07/681,455                       02/23/93
5,189,425                        07/763,850                       02/23/93
5,189,427                        07/727,190                       02/23/93
5,189,433                        07/773,813                       02/23/93
5,189,435                        07/642,195                       02/23/93
5,189,443                        07/905,234                       02/23/93
5,189,444                        07/757,410                       02/23/93
5,189,446                        07/702,654                       02/23/93
5,189,450                        07/703,680                       02/23/93
5,189,453                        07/688,660                       02/23/93
5,189,454                        07/482,840                       02/23/93
5,189,457                        07/826,718                       02/23/93
5,189,473                        07/682,937                       02/23/93
5,189,489                        07/699,675                       02/23/93
5,189,491                        07/712,040                       02/23/93
5,189,492                        07/825,837                       02/23/93
5,189,494                        07/817,969                       02/23/93
5,189,504                        07/827,904                       02/23/93
5,189,508                        07/784,628                       02/23/93
5,189,509                        07/621,967                       02/23/93
5,189,512                        07/724,196                       02/23/93
5,189,525                        07/524,027                       02/23/93
5,189,542                        07/731,194                       02/23/93
5,189,545                        07/807,614                       02/23/93
5,189,555                        07/521,151                       02/23/93
5,189,567                        07/749,757                       02/23/93
5,189,571                        07/524,190                       02/23/93
5,189,573                        07/784,724                       02/23/93
5,189,582                        07/639,885                       02/23/93
5,189,594                        07/876,196                       02/23/93
5,189,598                        07/567,467                       02/23/93
5,189,603                        07/756,426                       02/23/93
5,189,611                        07/488,436                       02/23/93
5,189,615                        07/654,641                       02/23/93
5,189,616                        07/616,408                       02/23/93
5,189,620                        07/418,359                       02/23/93
5,189,621                        07/622,217                       02/23/93
5,189,626                        07/675,761                       02/23/93
5,189,631                        07/623,089                       02/23/93
5,189,633                        07/841,851                       02/23/93
5,189,635                        07/828,386                       02/23/93
5,189,637                        07/498,755                       02/23/93
5,189,642                        07/757,155                       02/23/93
5,189,643                        07/847,446                       02/23/93
5,189,659                        07/674,943                       02/23/93
5,189,667                        07/638,984                       02/23/93
5,189,668                        07/741,588                       02/23/93
5,189,669                        07/581,389                       02/23/93
5,189,670                        07/647,327                       02/23/93
5,189,674                        07/550,830                       02/23/93
5,189,679                        07/756,193                       02/23/93
5,189,680                        07/754,658                       02/23/93
5,189,682                        07/857,737                       02/23/93
5,189,686                        07/797,386                       02/23/93
5,189,696                        07/689,522                       02/23/93
5,189,709                        07/749,819                       02/23/93
5,189,716                        07/846,338                       02/23/93
5,189,724                        07/840,226                       02/23/93

                  PATENTS WHICH EXPIRED ON February 18, 2005
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                          Application                          Issue
Number                             Number                             Date

5,603,127                        08/550,509                       02/18/97
5,603,128                        08/477,932                       02/18/97
5,603,129                        07/934,944                       02/18/97
5,603,136                        08/595,830                       02/18/97
5,603,137                        08/504,833                       02/18/97
5,603,156                        08/358,124                       02/18/97
5,603,160                        08/419,403                       02/18/97
5,603,162                        08/655,944                       02/18/97
5,603,166                        08/637,332                       02/18/97
5,603,171                        08/389,876                       02/18/97
5,603,175                        08/390,027                       02/18/97
5,603,177                        08/374,628                       02/18/97
5,603,180                        08/526,439                       02/18/97
5,603,183                        08/621,639                       02/18/97
5,603,186                        08/453,493                       02/18/97
5,603,193                        08/540,986                       02/18/97
5,603,195                        08/638,354                       02/18/97
5,603,197                        08/413,142                       02/18/97
5,603,199                        08/431,762                       02/18/97
5,603,200                        08/330,702                       02/18/97
5,603,204                        08/524,131                       02/18/97
5,603,207                        08/597,142                       02/18/97
5,603,214                        08/431,621                       02/18/97
5,603,215                        08/409,111                       02/18/97
5,603,221                        08/496,685                       02/18/97
5,603,228                        08/542,703                       02/18/97
5,603,230                        08/634,236                       02/18/97
5,603,231                        08/556,291                       02/18/97
5,603,242                        08/499,884                       02/18/97
5,603,244                        08/282,734                       02/18/97
5,603,245                        08/560,198                       02/18/97
5,603,249                        08/425,104                       02/18/97
5,603,251                        08/311,109                       02/18/97
5,603,261                        08/613,164                       02/18/97
5,603,262                        08/572,535                       02/18/97
5,603,265                        08/399,944                       02/18/97
5,603,274                        08/196,585                       02/18/97
5,603,275                        08/619,082                       02/18/97
5,603,276                        08/527,524                       02/18/97
5,603,284                        08/527,246                       02/18/97
5,603,288                        08/430,975                       02/18/97
5,603,294                        08/576,037                       02/18/97
5,603,298                        08/548,254                       02/18/97
5,603,306                        08/382,857                       02/18/97
5,603,315                        08/514,675                       02/18/97
5,603,320                        08/537,573                       02/18/97
5,603,329                        08/492,938                       02/18/97
5,603,332                        08/378,803                       02/18/97
5,603,333                        08/481,423                       02/18/97
5,603,335                        08/534,553                       02/18/97
5,603,339                        08/405,075                       02/18/97
5,603,350                        08/522,353                       02/18/97
5,603,366                        08/407,704                       02/18/97
5,603,367                        08/555,504                       02/18/97
5,603,378                        08/556,743                       02/18/97
5,603,381                        08/362,540                       02/18/97
5,603,401                        08/537,130                       02/18/97
5,603,403                        08/596,673                       02/18/97
5,603,406                        08/439,073                       02/18/97
5,603,408                        08/519,926                       02/18/97
5,603,414                        08/343,525                       02/18/97
5,603,415                        08/514,447                       02/18/97
5,603,417                        08/402,833                       02/18/97
5,603,421                        08/513,453                       02/18/97
5,603,425                        08/406,046                       02/18/97
5,603,429                        08/550,661                       02/18/97
5,603,433                        08/429,127                       02/18/97
5,603,439                        08/422,922                       02/18/97
5,603,448                        08/362,935                       02/18/97
5,603,449                        08/411,930                       02/18/97
5,603,453                        08/366,600                       02/18/97
5,603,455                        08/547,130                       02/18/97
5,603,456                        08/381,862                       02/18/97
5,603,457                        08/307,143                       02/18/97
5,603,461                        08/415,933                       02/18/97
5,603,466                        08/489,020                       02/18/97
5,603,468                        08/438,552                       02/18/97
5,603,476                        08/502,973                       02/18/97
5,603,483                        08/570,025                       02/18/97
5,603,486                        08/528,688                       02/18/97
5,603,490                        08/485,969                       02/18/97
5,603,497                        08/244,654                       02/18/97
5,603,498                        08/274,334                       02/18/97
5,603,504                        08/605,846                       02/18/97
5,603,508                        08/650,193                       02/18/97
5,603,509                        08/401,862                       02/18/97
5,603,512                        08/674,298                       02/18/97
5,603,514                        08/294,737                       02/18/97
5,603,523                        08/518,913                       02/18/97
5,603,525                        08/493,689                       02/18/97
5,603,529                        08/513,216                       02/18/97
5,603,533                        08/554,812                       02/18/97
5,603,549                        08/420,920                       02/18/97
5,603,556                        08/559,630                       02/18/97
5,603,559                        08/514,370                       02/18/97
5,603,563                        08/360,956                       02/18/97
5,603,564                        08/625,045                       02/18/97
5,603,575                        08/545,503                       02/18/97
5,603,594                        08/414,435                       02/18/97
5,603,596                        08/300,744                       02/18/97
5,603,600                        08/369,694                       02/18/97
5,603,608                        08/424,993                       02/18/97
5,603,611                        08/617,291                       02/18/97
5,603,612                        08/556,903                       02/18/97
5,603,614                        08/530,604                       02/18/97
5,603,616                        08/405,715                       02/18/97
5,603,621                        08/381,357                       02/18/97
5,603,630                        08/558,976                       02/18/97
5,603,631                        08/423,664                       02/18/97
5,603,633                        08/385,921                       02/18/97
5,603,637                        08/509,062                       02/18/97
5,603,638                        08/504,683                       02/18/97
5,603,642                        08/396,782                       02/18/97
5,603,643                        08/442,687                       02/18/97
5,603,645                        08/266,333                       02/18/97
5,603,647                        08/395,773                       02/18/97
5,603,655                        08/354,096                       02/18/97
5,603,658                        08/495,311                       02/18/97
5,603,664                        08/628,034                       02/18/97
5,603,669                        08/531,122                       02/18/97
5,603,674                        08/307,785                       02/18/97
5,603,676                        08/622,453                       02/18/97
5,603,678                        08/535,781                       02/18/97
5,603,691                        08/048,738                       02/18/97
5,603,693                        08/300,859                       02/18/97
5,603,696                        08/369,971                       02/18/97
5,603,701                        08/647,653                       02/18/97
5,603,711                        08/375,953                       02/18/97
5,603,712                        08/464,289                       02/18/97
5,603,713                        08/315,190                       02/18/97
5,603,717                        08/250,164                       02/18/97
5,603,727                        08/567,194                       02/18/97
5,603,729                        08/531,428                       02/18/97
5,603,733                        08/564,033                       02/18/97
5,603,735                        08/445,230                       02/18/97
5,603,736                        08/466,353                       02/18/97
5,603,738                        08/339,081                       02/18/97
5,603,749                        08/399,685                       02/18/97
5,603,753                        08/524,370                       02/18/97
5,603,754                        08/571,951                       02/18/97
5,603,755                        08/564,270                       02/18/97
5,603,759                        08/454,481                       02/18/97
5,603,761                        08/510,861                       02/18/97
5,603,762                        08/441,920                       02/18/97
5,603,766                        08/393,560                       02/18/97
5,603,768                        08/278,682                       02/18/97
5,603,769                        08/329,853                       02/18/97
5,603,770                        08/421,782                       02/18/97
5,603,772                        08/514,242                       02/18/97
5,603,777                        08/467,571                       02/18/97
5,603,781                        08/520,270                       02/18/97
5,603,786                        08/460,833                       02/18/97
5,603,788                        08/457,013                       02/18/97
5,603,807                        08/498,501                       02/18/97
5,603,809                        08/383,371                       02/18/97
5,603,813                        08/510,568                       02/18/97
5,603,814                        08/149,531                       02/18/97
5,603,815                        08/317,532                       02/18/97
5,603,819                        08/257,423                       02/18/97
5,603,821                        08/314,182                       02/18/97
5,603,837                        08/520,001                       02/18/97
5,603,840                        08/440,790                       02/18/97
5,603,841                        08/558,573                       02/18/97
5,603,843                        08/340,743                       02/18/97
5,603,857                        08/394,142                       02/18/97
5,603,859                        08/084,209                       02/18/97
5,603,860                        08/506,863                       02/18/97
5,603,861                        08/424,522                       02/18/97
5,603,866                        08/442,990                       02/18/97
5,603,867                        08/523,622                       02/18/97
5,603,870                        08/288,111                       02/18/97
5,603,875                        08/251,531                       02/18/97
5,603,877                        08/432,003                       02/18/97
5,603,881                        08/359,020                       02/18/97
5,603,888                        08/502,040                       02/18/97
5,603,897                        08/268,473                       02/18/97
5,603,899                        08/421,633                       02/18/97
5,603,903                        08/574,271                       02/18/97
5,603,910                        08/393,280                       02/18/97
5,603,912                        08/404,492                       02/18/97
5,603,915                        08/215,720                       02/18/97
5,603,921                        08/403,182                       02/18/97
5,603,927                        08/162,891                       02/18/97
5,603,931                        08/289,881                       02/18/97
5,603,936                        08/389,023                       02/18/97
5,603,939                        08/256,290                       02/18/97
5,603,941                        08/237,032                       02/18/97
5,603,958                        08/455,403                       02/18/97
5,603,963                        08/281,951                       02/18/97
5,603,969                        08/426,709                       02/18/97
5,603,972                        08/436,742                       02/18/97
5,603,976                        08/418,784                       02/18/97
5,603,977                        08/414,171                       02/18/97
5,603,978                        08/476,815                       02/18/97
5,603,983                        08/400,283                       02/18/97
5,603,985                        08/564,753                       02/18/97
5,603,986                        08/398,802                       02/18/97
5,603,990                        08/535,993                       02/18/97
5,603,993                        08/516,503                       02/18/97
5,603,994                        08/528,234                       02/18/97
5,603,996                        08/119,143                       02/18/97
5,604,001                        08/531,641                       02/18/97
5,604,002                        08/407,857                       02/18/97
5,604,011                        08/392,762                       02/18/97
5,604,017                        08/328,234                       02/18/97
5,604,022                        08/396,213                       02/18/97
5,604,028                        08/512,543                       02/18/97
5,604,032                        08/322,551                       02/18/97
5,604,034                        08/039,338                       02/18/97
5,604,045                        08/550,282                       02/18/97
5,604,046                        08/195,061                       02/18/97
5,604,047                        08/494,206                       02/18/97
5,604,062                        08/613,073                       02/18/97
5,604,063                        07/977,182                       02/18/97
5,604,070                        08/390,692                       02/18/97
5,604,082                        08/594,722                       02/18/97
5,604,084                        08/545,552                       02/18/97
5,604,086                        08/620,773                       02/18/97
5,604,087                        08/561,172                       02/18/97
5,604,092                        08/390,133                       02/18/97
5,604,098                        08/362,741                       02/18/97
5,604,126                        08/453,582                       02/18/97
5,604,128                        08/461,421                       02/18/97
5,604,143                        08/552,112                       02/18/97
5,604,148                        08/612,700                       02/18/97
5,604,159                        08/188,986                       02/18/97
5,604,164                        08/524,242                       02/18/97
5,604,165                        08/664,042                       02/18/97
5,604,167                        08/543,273                       02/18/97
5,604,170                        08/199,561                       02/18/97
5,604,171                        08/336,652                       02/18/97
5,604,175                        08/240,528                       02/18/97
5,604,178                        08/323,413                       02/18/97
5,604,179                        08/472,921                       02/18/97
5,604,181                        08/397,123                       02/18/97
5,604,182                        08/273,240                       02/18/97
5,604,193                        08/351,620                       02/18/97
5,604,209                        08/253,274                       02/18/97
5,604,219                        08/404,961                       02/18/97
5,604,222                        08/173,757                       02/18/97
5,604,225                        08/449,174                       02/18/97
5,604,240                        08/559,320                       02/18/97
5,604,253                        08/445,624                       02/18/97
5,604,254                        08/448,511                       02/18/97
5,604,256                        08/357,062                       02/18/97
5,604,261                        08/446,323                       02/18/97
5,604,264                        08/415,622                       02/18/97
5,604,265                        08/554,535                       02/18/97
5,604,272                        08/450,717                       02/18/97
5,604,273                        08/529,390                       02/18/97
5,604,279                        08/402,631                       02/18/97
5,604,289                        08/388,830                       02/18/97
5,604,295                        08/625,523                       02/18/97
5,604,296                        08/508,569                       02/18/97
5,604,299                        08/451,141                       02/18/97
5,604,302                        08/641,420                       02/18/97
5,604,313                        08/346,263                       02/18/97
5,604,315                        08/371,851                       02/18/97
5,604,318                        08/514,359                       02/18/97
5,604,323                        08/300,991                       02/18/97
5,604,336                        08/400,680                       02/18/97
5,604,337                        08/386,333                       02/18/97
5,604,340                        08/438,731                       02/18/97
5,604,355                        08/442,565                       02/18/97
5,604,357                        08/500,826                       02/18/97
5,604,361                        08/547,321                       02/18/97
5,604,363                        08/523,197                       02/18/97
5,604,367                        08/494,584                       02/18/97
5,604,372                        08/521,061                       02/18/97
5,604,377                        08/541,848                       02/18/97
5,604,391                        08/651,531                       02/18/97
5,604,392                        08/439,745                       02/18/97
5,604,402                        08/381,138                       02/18/97
5,604,406                        08/413,139                       02/18/97
5,604,417                        07/992,448                       02/18/97
5,604,419                        08/444,137                       02/18/97
5,604,422                        08/554,120                       02/18/97
5,604,424                        08/238,210                       02/18/97
5,604,428                        08/462,015                       02/18/97
5,604,431                        08/536,871                       02/18/97
5,604,437                        08/376,891                       02/18/97
5,604,439                        08/351,438                       02/18/97
5,604,440                        08/504,790                       02/18/97
5,604,445                        08/360,919                       02/18/97
5,604,447                        08/580,365                       02/18/97
5,604,458                        08/457,445                       02/18/97
5,604,465                        08/480,221                       02/18/97
5,604,466                        08/345,280                       02/18/97
5,604,471                        08/403,380                       02/18/97
5,604,472                        08/566,013                       02/18/97
5,604,478                        08/398,741                       02/18/97
5,604,484                        08/509,139                       02/18/97
5,604,485                        08/049,804                       02/18/97
5,604,486                        08/067,923                       02/18/97
5,604,495                        08/426,620                       02/18/97
5,604,499                        08/358,597                       02/18/97
5,604,506                        08/354,617                       02/18/97
5,604,509                        08/422,580                       02/18/97
5,604,515                        08/340,591                       02/18/97
5,604,517                        08/182,275                       02/18/97
5,604,518                        08/220,090                       02/18/97
5,604,524                        08/116,952                       02/18/97
5,604,526                        08/181,050                       02/18/97
5,604,545                        08/272,780                       02/18/97
5,604,546                        08/324,713                       02/18/97
5,604,550                        08/501,213                       02/18/97
5,604,552                        08/646,559                       02/18/97
5,604,555                        08/389,809                       02/18/97
5,604,556                        08/420,255                       02/18/97
5,604,558                        08/429,880                       02/18/97
5,604,559                        08/503,765                       02/18/97
5,604,561                        08/514,729                       02/18/97
5,604,562                        08/593,474                       02/18/97
5,604,564                        08/319,514                       02/18/97
5,604,568                        08/423,931                       02/18/97
5,604,573                        08/331,390                       02/18/97
5,604,578                        08/576,065                       02/18/97
5,604,579                        08/299,898                       02/18/97
5,604,593                        08/464,835                       02/18/97
5,604,594                        08/443,811                       02/18/97
5,604,601                        08/295,319                       02/18/97
5,604,610                        08/333,828                       02/18/97
5,604,612                        08/387,850                       02/18/97
5,604,613                        08/452,019                       02/18/97
5,604,629                        08/099,489                       02/18/97
5,604,630                        08/497,200                       02/18/97
5,604,634                        08/300,692                       02/18/97
5,604,642                        08/376,588                       02/18/97
5,604,656                        08/392,989                       02/18/97
5,604,666                        08/426,117                       02/18/97
5,604,671                        08/421,890                       02/18/97
5,604,690                        08/405,338                       02/18/97
5,604,696                        08/506,979                       02/18/97
5,604,703                        08/546,983                       02/18/97
5,604,704                        08/450,381                       02/18/97
5,604,707                        08/466,049                       02/18/97
5,604,717                        08/545,299                       02/18/97
5,604,719                        08/364,425                       02/18/97
5,604,742                        08/456,150                       02/18/97
5,604,749                        08/542,873                       02/18/97
5,604,750                        08/332,678                       02/18/97
5,604,754                        08/395,937                       02/18/97
5,604,755                        08/565,627                       02/18/97
5,604,756                        08/347,300                       02/18/97
5,604,757                        08/241,030                       02/18/97
5,604,758                        08/524,660                       02/18/97
5,604,761                        08/323,431                       02/18/97
5,604,784                        08/424,050                       02/18/97
5,604,794                        08/407,809                       02/18/97
5,604,799                        08/558,279                       02/18/97
5,604,802                        08/276,138                       02/18/97
5,604,815                        08/272,295                       02/18/97
5,604,824                        08/310,731                       02/18/97
5,604,837                        08/395,695                       02/18/97
5,604,841                        08/233,349                       02/18/97
5,604,851                        08/449,854                       02/18/97
5,604,859                        08/220,104                       02/18/97
5,604,864                        08/447,704                       02/18/97
5,604,874                        08/480,395                       02/18/97
5,604,879                        08/653,677                       02/18/97
5,604,890                        08/290,586                       02/18/97
5,604,895                        08/536,420                       02/18/97
5,604,898                        08/057,787                       02/18/97
5,604,910                        07/499,424                       02/18/97
5,604,914                        08/402,327                       02/18/97
5,604,919                        08/684,477                       02/18/97
5,604,921                        08/499,165                       02/18/97
5,604,924                        08/237,151                       02/18/97

                  PATENTS WHICH EXPIRED ON February 20, 2005
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                          Application                          Issue
Number                             Number                             Date

6,189,151                        09/391,506                       02/20/01
6,189,159                        08/676,623                       02/20/01
6,189,169                        09/492,091                       02/20/01
6,189,170                        09/373,160                       02/20/01
6,189,173                        09/476,123                       02/20/01
6,189,174                        09/461,714                       02/20/01
6,189,176                        09/506,700                       02/20/01
6,189,179                        09/281,030                       02/20/01
6,189,188                        09/270,248                       02/20/01
6,189,191                        09/263,465                       02/20/01
6,189,192                        09/394,761                       02/20/01
6,189,196                        09/505,331                       02/20/01
6,189,198                        09/383,840                       02/20/01
6,189,214                        08/889,852                       02/20/01
6,189,221                        09/224,345                       02/20/01
6,189,222                        09/419,158                       02/20/01
6,189,227                        09/207,139                       02/20/01
6,189,228                        09/358,235                       02/20/01
6,189,231                        09/354,298                       02/20/01
6,189,234                        09/287,524                       02/20/01
6,189,236                        09/187,580                       02/20/01
6,189,237                        09/274,880                       02/20/01
6,189,241                        09/506,469                       02/20/01
6,189,245                        09/125,816                       02/20/01
6,189,248                        09/428,217                       02/20/01
6,189,249                        08/991,421                       02/20/01
6,189,254                        08/398,967                       02/20/01
6,189,269                        08/933,509                       02/20/01
6,189,274                        09/077,967                       02/20/01
6,189,276                        09/369,810                       02/20/01
6,189,283                        09/077,512                       02/20/01
6,189,294                        09/033,847                       02/20/01
6,189,296                        09/247,741                       02/20/01
6,189,297                        09/289,506                       02/20/01
6,189,310                        09/051,645                       02/20/01
6,189,322                        09/267,141                       02/20/01
6,189,340                        09/171,748                       02/20/01
6,189,341                        09/306,531                       02/20/01
6,189,348                        09/498,325                       02/20/01
6,189,358                        09/423,831                       02/20/01
6,189,360                        09/332,851                       02/20/01
6,189,363                        09/417,094                       02/20/01
6,189,364                        09/284,772                       02/20/01
6,189,366                        09/478,000                       02/20/01
6,189,368                        09/198,576                       02/20/01
6,189,369                        09/201,766                       02/20/01
6,189,378                        09/211,395                       02/20/01
6,189,386                        08/985,676                       02/20/01
6,189,387                        09/223,291                       02/20/01
6,189,389                        09/552,047                       02/20/01
6,189,392                        09/464,170                       02/20/01
6,189,393                        09/441,618                       02/20/01
6,189,399                        09/242,088                       02/20/01
6,189,401                        09/194,085                       02/20/01
6,189,410                        09/159,081                       02/20/01
6,189,416                        07/944,500                       02/20/01
6,189,420                        09/516,851                       02/20/01
6,189,424                        09/339,480                       02/20/01
6,189,438                        09/382,751                       02/20/01
6,189,453                        09/330,184                       02/20/01
6,189,457                        09/097,747                       02/20/01
6,189,459                        09/457,504                       02/20/01
6,189,466                        09/006,562                       02/20/01
6,189,477                        09/394,720                       02/20/01
6,189,488                        09/047,048                       02/20/01
6,189,495                        09/226,493                       02/20/01
6,189,502                        09/280,075                       02/20/01
6,189,506                        09/369,807                       02/20/01
6,189,507                        09/316,124                       02/20/01
6,189,514                        09/576,539                       02/20/01
6,189,515                        09/307,442                       02/20/01
6,189,522                        09/247,563                       02/20/01
6,189,528                        09/318,118                       02/20/01
6,189,529                        09/431,214                       02/20/01
6,189,535                        08/041,841                       02/20/01
6,189,538                        08/753,001                       02/20/01
6,189,539                        09/628,917                       02/20/01
6,189,541                        09/417,312                       02/20/01
6,189,542                        09/334,441                       02/20/01
6,189,546                        09/473,669                       02/20/01
6,189,557                        09/404,581                       02/20/01
6,189,562                        09/486,683                       02/20/01
6,189,572                        09/367,368                       02/20/01
6,189,573                        09/506,187                       02/20/01
6,189,584                        09/372,497                       02/20/01
6,189,588                        09/348,349                       02/20/01
6,189,590                        09/326,469                       02/20/01
6,189,595                        08/647,754                       02/20/01
6,189,596                        09/409,226                       02/20/01
6,189,598                        09/166,788                       02/20/01
6,189,599                        09/247,683                       02/20/01
6,189,608                        09/147,098                       02/20/01
6,189,623                        09/446,406                       02/20/01
6,189,624                        09/149,392                       02/20/01
6,189,628                        09/298,754                       02/20/01
6,189,629                        09/153,089                       02/20/01
6,189,649                        09/416,025                       02/20/01
6,189,653                        09/416,024                       02/20/01
6,189,656                        09/387,701                       02/20/01
6,189,661                        09/242,013                       02/20/01
6,189,667                        09/354,450                       02/20/01
6,189,675                        09/135,677                       02/20/01
6,189,676                        09/304,339                       02/20/01
6,189,677                        09/361,141                       02/20/01
6,189,680                        09/360,956                       02/20/01
6,189,686                        09/363,428                       02/20/01
6,189,688                        09/355,520                       02/20/01
6,189,691                        09/378,055                       02/20/01
6,189,698                        09/374,314                       02/20/01
6,189,699                        09/416,614                       02/20/01
6,189,700                        08/777,668                       02/20/01
6,189,713                        09/229,717                       02/20/01
6,189,714                        09/174,969                       02/20/01
6,189,716                        09/465,205                       02/20/01
6,189,717                        09/152,822                       02/20/01
6,189,718                        09/281,955                       02/20/01
6,189,724                        09/520,182                       02/20/01
6,189,725                        09/166,641                       02/20/01
6,189,727                        09/275,130                       02/20/01
6,189,735                        09/341,479                       02/20/01
6,189,737                        09/409,190                       02/20/01
6,189,738                        09/308,998                       02/20/01
6,189,739                        09/194,530                       02/20/01
6,189,744                        09/077,462                       02/20/01
6,189,764                        09/236,382                       02/20/01
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