United States Patent and Trademark Office OG Notices: 25 February 2003

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

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

                   PATENTS WHICH EXPIRED ON January 1, 2003
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

4,980,928                          07/257,702                     01/01/91
4,980,937                          07/416,540                     01/01/91
4,980,944                          07/379,392                     01/01/91
4,980,951                          07/498,629                     01/01/91
4,980,958                          07/363,562                     01/01/91
4,980,961                          07/379,857                     01/01/91
4,980,969                          07/366,528                     01/01/91
4,980,976                          07/438,522                     01/01/91
4,980,981                          07/046,880                     01/01/91
4,980,991                          06/931,215                     01/01/91
4,980,997                          07/433,749                     01/01/91
4,981,010                          07/401,627                     01/01/91
4,981,015                          07/259,454                     01/01/91
4,981,017                          07/415,785                     01/01/91
4,981,025                          07/441,845                     01/01/91
4,981,034                          07/517,243                     01/01/91
4,981,038                          07/514,676                     01/01/91
4,981,042                          07/252,748                     01/01/91
4,981,052                          07/328,080                     01/01/91
4,981,059                          07/384,198                     01/01/91
4,981,076                          07/374,483                     01/01/91
4,981,085                          07/390,538                     01/01/91
4,981,092                          07/437,598                     01/01/91
4,981,096                          07/518,115                     01/01/91
4,981,115                          07/386,587                     01/01/91
4,981,119                          07/463,425                     01/01/91
4,981,136                          07/323,079                     01/01/91
4,981,138                          07/213,414                     01/01/91
4,981,141                          07/310,660                     01/01/91
4,981,149                          07/534,495                     01/01/91
4,981,153                          07/526,253                     01/01/91
4,981,161                          07/433,446                     01/01/91
4,981,165                          07/336,245                     01/01/91
4,981,166                          07/372,252                     01/01/91
4,981,171                          07/243,811                     01/01/91
4,981,175                          07/462,667                     01/01/91
4,981,182                          07/471,085                     01/01/91
4,981,187                          07/405,467                     01/01/91
4,981,189                          07/366,775                     01/01/91
4,981,195                          07/415,035                     01/01/91
4,981,203                          07/305,635                     01/01/91
4,981,208                          07/480,835                     01/01/91
4,981,210                          07/305,845                     01/01/91
4,981,219                          07/288,482                     01/01/91
4,981,222                          07/235,602                     01/01/91
4,981,224                          07/437,443                     01/01/91
4,981,251                          07/477,617                     01/01/91
4,981,274                          07/434,181                     01/01/91
4,981,277                          07/491,773                     01/01/91
4,981,285                          07/416,925                     01/01/91
4,981,287                          07/380,319                     01/01/91
4,981,293                          07/311,065                     01/01/91
4,981,303                          07/425,900                     01/01/91
4,981,310                          07/451,809                     01/01/91
4,981,311                          07/382,364                     01/01/91
4,981,325                          07/236,144                     01/01/91
4,981,327                          07/364,042                     01/01/91
4,981,330                          07/354,068                     01/01/91
4,981,331                          07/242,722                     01/01/91
4,981,333                          07/413,264                     01/01/91
4,981,342                          07/226,669                     01/01/91
4,981,347                          07/187,946                     01/01/91
4,981,351                          07/503,091                     01/01/91
4,981,354                          07/322,380                     01/01/91
4,981,356                          07/400,292                     01/01/91
4,981,357                          07/409,763                     01/01/91
4,981,358                          07/242,937                     01/01/91
4,981,360                          07/349,721                     01/01/91
4,981,364                          07/194,069                     01/01/91
4,981,374                          07/252,058                     01/01/91
4,981,386                          07/417,192                     01/01/91
4,981,394                          07/395,659                     01/01/91
4,981,410                          07/244,338                     01/01/91
4,981,419                          07/394,074                     01/01/91
4,981,428                          07/337,177                     01/01/91
4,981,432                          07/555,338                     01/01/91
4,981,434                          07/381,579                     01/01/91
4,981,436                          07/370,763                     01/01/91
4,981,443                          07/454,558                     01/01/91
4,981,456                          07/369,005                     01/01/91
4,981,470                          07/371,983                     01/01/91
4,981,476                          07/278,901                     01/01/91
4,981,484                          07/438,810                     01/01/91
4,981,492                          07/449,188                     01/01/91
4,981,499                          07/415,444                     01/01/91
4,981,510                          07/389,591                     01/01/91
4,981,514                          07/384,268                     01/01/91
4,981,520                          07/283,399                     01/01/91
4,981,524                          07/059,930                     01/01/91
4,981,531                          06/551,369                     01/01/91
4,981,545                          07/345,131                     01/01/91
4,981,547                          07/334,891                     01/01/91
4,981,553                          07/245,340                     01/01/91
4,981,564                          07/519,882                     01/01/91
4,981,574                          07/322,880                     01/01/91
4,981,586                          07/360,862                     01/01/91
4,981,593                          07/332,457                     01/01/91
4,981,604                          07/302,494                     01/01/91
4,981,607                          07/339,562                     01/01/91
4,981,622                          07/333,267                     01/01/91
4,981,624                          07/242,940                     01/01/91
4,981,625                          07/167,877                     01/01/91
4,981,631                          07/331,140                     01/01/91
4,981,632                          07/168,285                     01/01/91
4,981,634                          07/355,754                     01/01/91
4,981,659                          07/450,431                     01/01/91
4,981,661                          07/295,749                     01/01/91
4,981,665                          07/185,183                     01/01/91
4,981,666                          06/931,667                     01/01/91
4,981,668                          07/206,633                     01/01/91
4,981,673                          07/242,608                     01/01/91
4,981,686                          07/241,061                     01/01/91
4,981,690                          07/114,280                     01/01/91
4,981,696                          07/438,123                     01/01/91
4,981,709                          07/382,244                     01/01/91
4,981,720                          07/210,013                     01/01/91
4,981,721                          07/399,525                     01/01/91
4,981,723                          07/258,764                     01/01/91
4,981,727                          07/261,579                     01/01/91
4,981,731                          07/275,177                     01/01/91
4,981,735                          07/405,829                     01/01/91
4,981,736                          07/420,143                     01/01/91
4,981,741                          07/217,035                     01/01/91
4,981,742                          07/318,043                     01/01/91
4,981,754                          07/208,919                     01/01/91
4,981,756                          07/553,360                     01/01/91
4,981,759                          07/189,167                     01/01/91
4,981,761                          07/360,066                     01/01/91
4,981,771                          07/309,026                     01/01/91
4,981,776                          07/473,478                     01/01/91
4,981,787                          07/310,789                     01/01/91
4,981,788                          07/212,654                     01/01/91
4,981,798                          07/388,760                     01/01/91
4,981,800                          07/174,958                     01/01/91
4,981,801                          06/734,215                     01/01/91
4,981,804                          07/479,814                     01/01/91
4,981,812                          07/451,211                     01/01/91
4,981,819                          07/418,647                     01/01/91
4,981,820                          07/386,327                     01/01/91
4,981,824                          07/323,826                     01/01/91
4,981,842                          07/334,088                     01/01/91
4,981,848                          07/314,722                     01/01/91
4,981,849                          07/315,370                     01/01/91
4,981,850                          07/296,713                     01/01/91
4,981,859                          07/482,092                     01/01/91
4,981,860                          07/470,244                     01/01/91
4,981,863                          07/463,082                     01/01/91
4,981,869                          07/458,889                     01/01/91
4,981,871                          07/050,917                     01/01/91
4,981,880                          07/452,856                     01/01/91
4,981,883                          07/463,733                     01/01/91
4,981,886                          07/262,587                     01/01/91
4,981,889                          07/341,704                     01/01/91
4,981,894                          07/385,511                     01/01/91
4,981,896                          07/327,109                     01/01/91
4,981,897                          07/372,749                     01/01/91
4,981,899                          07/357,232                     01/01/91
4,981,901                          07/350,037                     01/01/91
4,981,907                          07/260,445                     01/01/91
4,981,909                          07/241,281                     01/01/91
4,981,911                          07/216,310                     01/01/91
4,981,922                          07/213,966                     01/01/91
4,981,942                          07/379,562                     01/01/91
4,981,943                          07/231,214                     01/01/91
4,981,945                          07/324,907                     01/01/91
4,981,947                          07/288,342                     01/01/91
4,981,961                          07/404,917                     01/01/91
4,981,963                          07/341,750                     01/01/91
4,981,964                          07/284,520                     01/01/91
4,981,966                          07/295,439                     01/01/91
4,981,970                          07/393,680                     01/01/91
4,981,981                          07/168,047                     01/01/91
4,981,987                          06/836,301                     01/01/91
4,981,993                          07/233,545                     01/01/91
4,981,994                          07/387,268                     01/01/91
4,982,004                          07/318,787                     01/01/91
4,982,007                          07/489,837                     01/01/91
4,982,010                          07/429,433                     01/01/91
4,982,019                          07/387,048                     01/01/91
4,982,028                          07/402,713                     01/01/91
4,982,031                          07/467,437                     01/01/91
4,982,038                          07/514,784                     01/01/91
4,982,042                          07/420,573                     01/01/91
4,982,044                          07/374,057                     01/01/91
4,982,045                          07/385,712                     01/01/91
4,982,047                          07/370,372                     01/01/91
4,982,049                          07/358,761                     01/01/91
4,982,050                          07/224,595                     01/01/91
4,982,052                          07/288,839                     01/01/91
4,982,058                          07/439,489                     01/01/91
4,982,061                          07/334,540                     01/01/91
4,982,062                          07/374,763                     01/01/91
4,982,063                          07/298,984                     01/01/91
4,982,065                          07/399,958                     01/01/91
4,982,067                          07/267,145                     01/01/91
4,982,072                          07/153,139                     01/01/91
4,982,080                          07/266,743                     01/01/91
4,982,081                          07/401,961                     01/01/91
4,982,086                          07/219,611                     01/01/91
4,982,102                          07/424,924                     01/01/91
4,982,108                          07/227,589                     01/01/91
4,982,111                          07/294,707                     01/01/91
4,982,117                          07/433,912                     01/01/91
4,982,136                          07/274,530                     01/01/91
4,982,138                          07/277,640                     01/01/91
4,982,141                          07/384,335                     01/01/91
4,982,144                          07/315,791                     01/01/91
4,982,147                          07/304,045                     01/01/91
4,982,161                          07/398,112                     01/01/91
4,982,166                          07/317,678                     01/01/91
4,982,176                          07/466,226                     01/01/91
4,982,185                          07/353,406                     01/01/91
4,982,188                          07/246,714                     01/01/91
4,982,189                          07/446,221                     01/01/91
4,982,195                          07/266,549                     01/01/91
4,982,202                          07/251,012                     01/01/91
4,982,205                          07/252,691                     01/01/91
4,982,209                          07/478,873                     01/01/91
4,982,222                          06/890,204                     01/01/91
4,982,229                          07/403,977                     01/01/91
4,982,232                          07/183,837                     01/01/91
4,982,235                          07/527,004                     01/01/91
4,982,242                          07/412,145                     01/01/91
4,982,246                          07/369,405                     01/01/91
4,982,250                          07/293,410                     01/01/91
4,982,252                          07/175,253                     01/01/91
4,982,253                          07/189,633                     01/01/91
4,982,261                          07/172,271                     01/01/91
4,982,284                          07/372,896                     01/01/91
4,982,293                          07/359,044                     01/01/91
4,982,295                          07/302,399                     01/01/91
4,982,299                          07/368,650                     01/01/91
4,982,310                          07/115,528                     01/01/91
4,982,315                          07/495,503                     01/01/91
4,982,321                          07/113,418                     01/01/91
4,982,325                          07/170,210                     01/01/91
4,982,328                          07/257,839                     01/01/91
4,982,329                          07/210,845                     01/01/91
4,982,342                          07/266,903                     01/01/91
4,982,345                          07/299,901                     01/01/91
4,982,346                          07/286,511                     01/01/91
4,982,349                          07/374,208                     01/01/91
4,982,353                          07/414,869                     01/01/91
4,982,357                          07/344,566                     01/01/91
4,982,361                          06/789,832                     01/01/91
4,982,363                          07/280,095                     01/01/91
4,982,369                          07/442,385                     01/01/91
4,982,377                          07/457,913                     01/01/91
4,982,378                          07/127,940                     01/01/91
4,982,382                          07/366,043                     01/01/91
4,982,383                          07/251,276                     01/01/91
4,982,389                          07/145,313                     01/01/91
4,982,395                          07/252,745                     01/01/91
4,982,401                          07/215,740                     01/01/91
4,982,413                          07/348,990                     01/01/91
4,982,414                          07/287,450                     01/01/91
4,982,417                          07/386,418                     01/01/91
4,982,428                          07/291,817                     01/01/91
4,982,431                          07/438,168                     01/01/91
4,982,432                          07/443,857                     01/01/91
4,982,433                          07/375,723                     01/01/91
4,982,438                          07/403,858                     01/01/91
4,982,440                          07/341,702                     01/01/91
4,982,442                          07/342,834                     01/01/91
4,982,443                          07/291,020                     01/01/91

                  PATENTS WHICH EXPIRED ON December 27, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

5,375,264                          07/944,533                     12/27/94
5,375,269                          08/067,035                     12/27/94
5,375,274                          08/109,163                     12/27/94
5,375,277                          08/105,896                     12/27/94
5,375,282                          08/124,517                     12/27/94
5,375,286                          08/056,852                     12/27/94
5,375,287                          08/150,437                     12/27/94
5,375,288                          08/131,089                     12/27/94
5,375,294                          08/123,397                     12/27/94
5,375,296                          08/077,647                     12/27/94
5,375,301                          08/045,648                     12/27/94
5,375,303                          08/083,032                     12/27/94
5,375,308                          08/238,988                     12/27/94
5,375,309                          08/094,751                     12/27/94
5,375,316                          07/937,756                     12/27/94
5,375,317                          08/150,718                     12/27/94
5,375,319                          08/179,287                     12/27/94
5,375,321                          08/039,671                     12/27/94
5,375,324                          08/090,912                     12/27/94
5,375,331                          08/027,522                     12/27/94
5,375,333                          08/029,787                     12/27/94
5,375,341                          08/261,698                     12/27/94
5,375,347                          07/720,431                     12/27/94
5,375,351                          08/206,216                     12/27/94
5,375,354                          07/949,062                     12/27/94
5,375,355                          08/046,080                     12/27/94
5,375,358                          08/061,204                     12/27/94
5,375,359                          08/068,991                     12/27/94
5,375,364                          08/091,056                     12/27/94
5,375,366                          08/031,003                     12/27/94
5,375,371                          07/937,291                     12/27/94
5,375,384                          08/007,617                     12/27/94
5,375,385                          08/010,625                     12/27/94
5,375,393                          08/044,820                     12/27/94
5,375,399                          08/031,317                     12/27/94
5,375,401                          08/059,106                     12/27/94
5,375,402                          07/937,420                     12/27/94
5,375,403                          08/141,992                     12/27/94
5,375,407                          08/106,267                     12/27/94
5,375,409                          08/134,186                     12/27/94
5,375,410                          08/008,023                     12/27/94
5,375,413                          08/178,648                     12/27/94
5,375,421                          08/161,548                     12/27/94
5,375,433                          08/141,394                     12/27/94
5,375,439                          08/138,408                     12/27/94
5,375,440                          08/108,308                     12/27/94
5,375,441                          08/118,198                     12/27/94
5,375,443                          07/984,204                     12/27/94
5,375,447                          08/120,556                     12/27/94
5,375,452                          08/008,791                     12/27/94
5,375,456                          08/154,176                     12/27/94
5,375,457                          08/070,807                     12/27/94
5,375,464                          08/037,327                     12/27/94
5,375,465                          08/048,378                     12/27/94
5,375,467                          08/150,647                     12/27/94
5,375,468                          07/914,867                     12/27/94
5,375,471                          07/906,594                     12/27/94
5,375,475                          07/940,002                     12/27/94
5,375,478                          07/922,809                     12/27/94
5,375,482                          08/073,475                     12/27/94
5,375,489                          07/989,154                     12/27/94
5,375,497                          07/984,292                     12/27/94
5,375,498                          08/062,076                     12/27/94
5,375,504                          08/087,248                     12/27/94
5,375,505                          08/022,234                     12/27/94
5,375,507                          08/114,899                     12/27/94
5,375,514                          08/073,102                     12/27/94
5,375,515                          08/156,417                     12/27/94
5,375,520                          08/101,465                     12/27/94
5,375,522                          07/931,259                     12/27/94
5,375,525                          08/096,773                     12/27/94
5,375,529                          08/051,284                     12/27/94
5,375,536                          08/022,959                     12/27/94
5,375,545                          07/711,315                     12/27/94
5,375,546                          08/050,272                     12/27/94
5,375,551                          08/125,738                     12/27/94
5,375,552                          08/034,071                     12/27/94
5,375,573                          08/119,017                     12/27/94
5,375,575                          08/036,863                     12/27/94
5,375,579                          08/124,337                     12/27/94
5,375,581                          07/640,401                     12/27/94
5,375,582                          08/162,442                     12/27/94
5,375,607                          07/985,158                     12/27/94
5,375,610                          07/875,093                     12/27/94
5,375,613                          07/894,631                     12/27/94
5,375,614                          08/078,206                     12/27/94
5,375,622                          08/163,346                     12/27/94
5,375,625                          08/022,446                     12/27/94
5,375,626                          07/790,259                     12/27/94
5,375,628                          08/149,957                     12/27/94
5,375,629                          08/107,936                     12/27/94
5,375,634                          08/133,676                     12/27/94
5,375,650                          07/975,734                     12/27/94
5,375,665                          08/205,373                     12/27/94
5,375,666                          08/096,763                     12/27/94
5,375,671                          08/050,446                     12/27/94
5,375,678                          08/246,021                     12/27/94
5,375,679                          08/241,685                     12/27/94
5,375,686                          07/975,559                     12/27/94
5,375,687                          07/858,369                     12/27/94
5,375,692                          08/075,299                     12/27/94
5,375,695                          08/056,875                     12/27/94
5,375,699                          08/157,236                     12/27/94
5,375,701                          07/966,613                     12/27/94
5,375,713                          08/164,229                     12/27/94
5,375,718                          08/138,268                     12/27/94
5,375,719                          08/195,153                     12/27/94
5,375,726                          08/152,923                     12/27/94
5,375,727                          08/160,028                     12/27/94
5,375,728                          08/079,892                     12/27/94
5,375,735                          08/229,008                     12/27/94
5,375,737                          08/128,386                     12/27/94
5,375,741                          08/060,267                     12/27/94
5,375,744                          08/199,463                     12/27/94
5,375,748                          07/977,912                     12/27/94
5,375,753                          08/130,863                     12/27/94
5,375,757                          08/168,259                     12/27/94
5,375,760                          08/197,202                     12/27/94
5,375,764                          08/047,209                     12/27/94
5,375,774                          08/060,489                     12/27/94
5,375,776                          08/138,922                     12/27/94
5,375,778                          08/072,185                     12/27/94
5,375,791                          08/016,503                     12/27/94
5,375,796                          08/174,671                     12/27/94
5,375,800                          08/110,411                     12/27/94
5,375,801                          08/000,979                     12/27/94
5,375,809                          07/907,389                     12/27/94
5,375,814                          08/108,239                     12/27/94
5,375,828                          08/147,863                     12/27/94
5,375,830                          07/916,993                     12/27/94
5,375,831                          08/151,286                     12/27/94
5,375,837                          08/037,299                     12/27/94
5,375,838                          08/192,382                     12/27/94
5,375,839                          08/065,667                     12/27/94
5,375,846                          08/233,286                     12/27/94
5,375,847                          08/130,681                     12/27/94
5,375,856                          08/005,359                     12/27/94
5,375,859                          08/111,935                     12/27/94
5,375,864                          08/080,952                     12/27/94
5,375,868                          08/025,578                     12/27/94
5,375,876                          08/132,448                     12/27/94
5,375,878                          08/156,248                     12/27/94
5,375,884                          08/003,395                     12/27/94
5,375,886                          08/046,842                     12/27/94
5,375,890                          08/238,975                     12/27/94
5,375,903                          07/975,944                     12/27/94
5,375,912                          08/099,186                     12/27/94
5,375,915                          08/021,962                     12/27/94
5,375,919                          08/100,214                     12/27/94
5,375,938                          08/093,262                     12/27/94
5,375,940                          08/015,481                     12/27/94
5,375,944                          08/065,897                     12/27/94
5,375,958                          08/020,088                     12/27/94
5,375,961                          08/060,199                     12/27/94
5,375,966                          07/993,868                     12/27/94
5,375,968                          08/074,022                     12/27/94
5,375,972                          08/123,628                     12/27/94
5,375,987                          08/061,199                     12/27/94
5,375,988                          08/013,920                     12/27/94
5,375,996                          08/070,509                     12/27/94
5,375,997                          08/070,568                     12/27/94
5,376,001                          08/058,374                     12/27/94
5,376,011                          08/076,616                     12/27/94
5,376,013                          08/083,507                     12/27/94
5,376,020                          08/022,066                     12/27/94
5,376,030                          08/215,943                     12/27/94
5,376,033                          08/079,803                     12/27/94
5,376,036                          07/602,480                     12/27/94
5,376,038                          08/183,597                     12/27/94
5,376,041                          08/086,632                     12/27/94
5,376,050                          08/087,960                     12/27/94
5,376,053                          08/100,376                     12/27/94
5,376,054                          08/076,003                     12/27/94
5,376,055                          08/099,228                     12/27/94
5,376,061                          08/162,147                     12/27/94
5,376,062                          08/057,257                     12/27/94
5,376,071                          08/155,077                     12/27/94
5,376,074                          08/063,348                     12/27/94
5,376,076                          08/153,632                     12/27/94
5,376,080                          07/918,857                     12/27/94
5,376,090                          08/151,531                     12/27/94
5,376,093                          07/987,745                     12/27/94
5,376,104                          08/012,228                     12/27/94
5,376,111                          07/919,284                     12/27/94
5,376,112                          08/034,223                     12/27/94
5,376,116                          08/223,587                     12/27/94
5,376,117                          07/975,979                     12/27/94
5,376,123                          08/054,832                     12/27/94
5,376,129                          07/621,992                     12/27/94
5,376,140                          07/946,836                     12/27/94
5,376,145                          07/466,266                     12/27/94
5,376,148                          08/045,454                     12/27/94
5,376,152                          08/101,114                     12/27/94
5,376,154                          07/753,517                     12/27/94
5,376,157                          08/193,763                     12/27/94
5,376,162                          08/002,316                     12/27/94
5,376,176                          08/000,488                     12/27/94
5,376,184                          08/018,281                     12/27/94
5,376,196                          08/084,572                     12/27/94
5,376,199                          08/110,873                     12/27/94
5,376,202                          08/014,725                     12/27/94
5,376,204                          08/110,357                     12/27/94
5,376,207                          08/048,823                     12/27/94
5,376,217                          07/843,418                     12/27/94
5,376,218                          08/198,376                     12/27/94
5,376,225                          08/002,973                     12/27/94
5,376,226                          08/010,235                     12/27/94
5,376,230                          07/977,170                     12/27/94
5,376,232                          08/110,540                     12/27/94
5,376,247                          08/057,911                     12/27/94
5,376,256                          08/005,243                     12/27/94
5,376,257                          08/100,173                     12/27/94
5,376,258                          08/119,069                     12/27/94
5,376,265                          08/189,645                     12/27/94
5,376,269                          08/085,148                     12/27/94
5,376,280                          08/143,495                     12/27/94
5,376,282                          08/080,047                     12/27/94
5,376,284                          07/979,851                     12/27/94
5,376,285                          08/150,294                     12/27/94
5,376,288                          08/068,802                     12/27/94
5,376,307                          08/114,641                     12/27/94
5,376,310                          08/080,733                     12/27/94
5,376,311                          08/200,074                     12/27/94
5,376,318                          08/065,303                     12/27/94
5,376,319                          08/009,960                     12/27/94
5,376,321                          07/750,618                     12/27/94
5,376,345                          07/920,594                     12/27/94
5,376,353                          08/081,252                     12/27/94
5,376,354                          08/198,822                     12/27/94
5,376,365                          08/019,435                     12/27/94
5,376,366                          07/974,535                     12/27/94
5,376,370                          07/809,211                     12/27/94
5,376,384                          07/996,097                     12/27/94
5,376,393                          08/200,061                     12/27/94
5,376,396                          08/053,574                     12/27/94
5,376,411                          08/120,391                     12/27/94
5,376,414                          08/070,551                     12/27/94
5,376,415                          08/234,558                     12/27/94
5,376,423                          08/102,061                     12/27/94
5,376,431                          08/061,482                     12/27/94
5,376,436                          07/389,793                     12/27/94
5,376,438                          08/014,946                     12/27/94
5,376,440                          08/160,146                     12/27/94
5,376,442                          08/037,712                     12/27/94
5,376,458                          07/983,188                     12/27/94
5,376,460                          08/216,516                     12/27/94
5,376,465                          08/082,817                     12/27/94
5,376,476                          08/161,359                     12/27/94
5,376,477                          08/231,890                     12/27/94
5,376,486                          08/076,198                     12/27/94
5,376,490                          07/986,739                     12/27/94
5,376,497                          07/872,245                     12/27/94
5,376,503                          07/982,104                     12/27/94
5,376,508                          08/129,024                     12/27/94
5,376,516                          08/263,011                     12/27/94
5,376,526                          07/995,853                     12/27/94
5,376,529                          07/807,525                     12/27/94
5,376,535                          07/974,216                     12/27/94
5,376,541                          07/953,044                     12/27/94
5,376,542                          07/874,397                     12/27/94
5,376,543                          07/986,582                     12/27/94
5,376,549                          08/014,944                     12/27/94
5,376,551                          08/080,342                     12/27/94
5,376,565                          08/021,401                     12/27/94
5,376,572                          08/239,293                     12/27/94
5,376,584                          07/998,982                     12/27/94
5,376,592                          08/005,299                     12/27/94
5,376,602                          08/178,376                     12/27/94
5,376,605                          08/126,022                     12/27/94
5,376,610                          08/045,083                     12/27/94
5,376,620                          08/041,998                     12/27/94
5,376,622                          08/040,596                     12/27/94
5,376,626                          07/956,447                     12/27/94
5,376,627                          08/026,915                     12/27/94
5,376,635                          07/781,590                     12/27/94
5,376,641                          08/093,260                     12/27/94
5,376,643                          07/684,461                     12/27/94
5,376,647                          08/003,955                     12/27/94
5,376,653                          08/109,411                     12/27/94
5,376,655                          08/070,683                     12/27/94
5,376,656                          08/039,132                     12/27/94
5,376,661                          08/036,329                     12/27/94
5,376,678                          08/054,270                     12/27/94
5,376,683                          07/982,111                     12/27/94
5,376,689                          08/116,296                     12/27/94
5,376,692                          07/883,651                     12/27/94
5,376,693                          07/604,701                     12/27/94
5,376,696                          08/002,431                     12/27/94
5,376,701                          07/910,079                     12/27/94
5,376,706                          07/977,865                     12/27/94
5,376,710                          08/029,213                     12/27/94
5,376,714                          07/816,629                     12/27/94
5,376,716                          07/937,563                     12/27/94
5,376,726                          07/876,435                     12/27/94
5,376,729                          08/092,309                     12/27/94
5,376,732                          07/968,803                     12/27/94
5,376,735                          08/104,741                     12/27/94
5,376,740                          08/077,363                     12/27/94
5,376,748                          08/001,376                     12/27/94
5,376,755                          07/866,595                     12/27/94
5,376,757                          07/815,773                     12/27/94
5,376,766                          08/089,234                     12/27/94
5,376,767                          08/093,710                     12/27/94
5,376,778                          08/020,725                     12/27/94
5,376,779                          08/142,937                     12/27/94
5,376,789                          07/872,280                     12/27/94
5,376,796                          07/981,833                     12/27/94
5,376,798                          07/990,889                     12/27/94
5,376,800                          08/120,126                     12/27/94
5,376,803                          08/125,215                     12/27/94
5,376,812                          07/453,762                     12/27/94
5,376,813                          08/070,513                     12/27/94
5,376,830                          08/124,323                     12/27/94
5,376,831                          08/126,283                     12/27/94
5,376,848                          08/043,112                     12/27/94
5,376,867                          07/993,936                     12/27/94
5,376,870                          08/013,379                     12/27/94
5,376,872                          08/053,769                     12/27/94
5,376,874                          08/077,621                     12/27/94
5,376,878                          08/127,412                     12/27/94
5,376,879                          07/971,522                     12/27/94
5,376,887                          07/952,813                     12/27/94
5,376,889                          08/044,912                     12/27/94
5,376,890                          08/074,915                     12/27/94
5,376,893                          07/967,436                     12/27/94
5,376,901                          08/069,063                     12/27/94
5,376,910                          08/082,864                     12/27/94
5,376,913                          08/089,364                     12/27/94
5,376,915                          08/043,710                     12/27/94
5,376,923                          07/989,762                     12/27/94
5,376,933                          08/153,870                     12/27/94
5,376,937                          08/020,477                     12/27/94
5,376,941                          08/047,677                     12/27/94
5,376,959                          07/868,544                     12/27/94
5,376,975                          07/982,523                     12/27/94
5,376,976                          08/084,583                     12/27/94
5,376,978                          07/859,802                     12/27/94
5,376,996                          07/992,282                     12/27/94
5,376,997                          08/014,635                     12/27/94
5,377,000                          08/053,680                     12/27/94
5,377,013                          07/929,344                     12/27/94
5,377,015                          07/762,053                     12/27/94
5,377,021                          07/804,721                     12/27/94
5,377,025                          07/980,860                     12/27/94
5,377,040                          07/799,159                     12/27/94
5,377,042                          08/169,739                     12/27/94
5,377,052                          08/075,937                     12/27/94
5,377,057                          07/861,061                     12/27/94
5,377,058                          07/999,036                     12/27/94
5,377,059                          07/935,393                     12/27/94
5,377,067                          08/084,468                     12/27/94
5,377,069                          08/090,241                     12/27/94
5,377,070                          08/085,038                     12/27/94
5,377,075                          08/237,823                     12/27/94
5,377,083                          08/077,061                     12/27/94
5,377,085                          07/941,679                     12/27/94
5,377,087                          07/821,417                     12/27/94
5,377,093                          07/997,029                     12/27/94
5,377,120                          07/897,066                     12/27/94
5,377,121                          08/258,354                     12/27/94
5,377,124                          07/410,194                     12/27/94
5,377,127                          08/151,699                     12/27/94
5,377,128                          08/132,848                     12/27/94
5,377,162                          08/130,888                     12/27/94
5,377,164                          08/039,323                     12/27/94
5,377,170                          08/226,062                     12/27/94
5,377,176                          08/091,311                     12/27/94
5,377,177                          07/952,224                     12/27/94
5,377,179                          08/139,284                     12/27/94
5,377,181                          08/047,312                     12/27/94
5,377,184                          07/843,772                     12/27/94
5,377,197                          07/840,792                     12/27/94
5,377,204                          07/782,995                     12/27/94
5,377,210                          07/881,013                     12/27/94
5,377,213                          08/173,957                     12/27/94
5,377,220                          08/089,444                     12/27/94
5,377,233                          08/108,275                     12/27/94
5,377,238                          08/096,813                     12/27/94
5,377,245                          08/137,975                     12/27/94
5,377,247                          08/042,443                     12/27/94
5,377,254                          08/079,274                     12/27/94
5,377,255                          07/913,025                     12/27/94
5,377,258                          08/112,955                     12/27/94
5,377,259                          08/122,803                     12/27/94
5,377,263                          08/104,263                     12/27/94
5,377,265                          08/009,811                     12/27/94
5,377,269                          07/968,534                     12/27/94
5,377,279                          07/946,188                     12/27/94
5,377,282                          07/762,149                     12/27/94
5,377,290                          08/067,851                     12/27/94
5,377,292                          08/037,295                     12/27/94
5,377,294                          08/077,935                     12/27/94
5,377,299                          08/080,551                     12/27/94
5,377,304                          07/993,843                     12/27/94
5,377,307                          07/957,565                     12/27/94
5,377,311                          08/033,707                     12/27/94
5,377,333                          07/945,483                     12/27/94
5,377,337                          08/073,815                     12/27/94
5,377,348                          07/893,297                     12/27/94
5,377,355                          08/107,423                     12/27/94

                  PATENTS WHICH EXPIRED ON December 29, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

5,852,827                          08/880,845                     12/29/98
5,852,829                          08/883,084                     12/29/98
5,852,830                          08/878,984                     12/29/98
5,852,834                          09/086,242                     12/29/98
5,852,840                          08/808,425                     12/29/98
5,852,842                          08/777,530                     12/29/98
5,852,844                          08/648,985                     12/29/98
5,852,845                          08/739,513                     12/29/98
5,852,852                          08/871,667                     12/29/98
5,852,862                          08/803,074                     12/29/98
5,852,863                          08/826,140                     12/29/98
5,852,864                          08/506,906                     12/29/98
5,852,866                          08/832,426                     12/29/98
5,852,873                          08/787,178                     12/29/98
5,852,874                          08/802,863                     12/29/98
5,852,875                          08/855,002                     12/29/98
5,852,880                          08/852,330                     12/29/98
5,852,884                          08/913,526                     12/29/98
5,852,891                          08/878,010                     12/29/98
5,852,893                          08/843,562                     12/29/98
5,852,894                          08/916,737                     12/29/98
5,852,895                          08/848,497                     12/29/98
5,852,896                          08/966,685                     12/29/98
5,852,897                          08/898,185                     12/29/98
5,852,906                          08/908,653                     12/29/98
5,852,925                          08/933,248                     12/29/98
5,852,926                          08/918,762                     12/29/98
5,852,944                          08/844,030                     12/29/98
5,852,952                          08/798,948                     12/29/98
5,852,955                          08/803,760                     12/29/98
5,852,958                          08/773,682                     12/29/98
5,852,964                          08/941,247                     12/29/98
5,852,969                          08/890,890                     12/29/98
5,852,972                          09/010,607                     12/29/98
5,852,973                          08/826,566                     12/29/98
5,852,978                          08/851,466                     12/29/98
5,852,981                          08/882,614                     12/29/98
5,852,982                          08/935,404                     12/29/98
5,852,985                          08/890,349                     12/29/98
5,852,986                          08/596,979                     12/29/98
5,852,987                          08/985,164                     12/29/98
5,852,989                          08/536,157                     12/29/98
5,852,997                          08/859,158                     12/29/98
5,853,000                          08/781,591                     12/29/98
5,853,002                          08/818,296                     12/29/98
5,853,006                          08/426,156                     12/29/98
5,853,009                          08/805,751                     12/29/98
5,853,012                          08/877,493                     12/29/98
5,853,015                          08/351,588                     12/29/98
5,853,016                          08/429,150                     12/29/98
5,853,019                          08/889,336                     12/29/98
5,853,021                          08/853,365                     12/29/98
5,853,023                          08/738,483                     12/29/98
5,853,025                          08/783,262                     12/29/98
5,853,035                          08/974,045                     12/29/98
5,853,036                          08/966,905                     12/29/98
5,853,047                          08/912,988                     12/29/98
5,853,051                          08/824,946                     12/29/98
5,853,053                          08/716,386                     12/29/98
5,853,056                          08/624,438                     12/29/98
5,853,066                          09/044,413                     12/29/98
5,853,069                          08/825,316                     12/29/98
5,853,071                          08/890,982                     12/29/98
5,853,078                          09/023,293                     12/29/98
5,853,080                          08/707,887                     12/29/98
5,853,082                          08/651,993                     12/29/98
5,853,085                          08/964,255                     12/29/98
5,853,086                          08/902,261                     12/29/98
5,853,092                          08/919,846                     12/29/98
5,853,098                          08/829,504                     12/29/98
5,853,099                          08/837,893                     12/29/98
5,853,102                          08/789,651                     12/29/98
5,853,105                          08/948,009                     12/29/98
5,853,130                          08/680,800                     12/29/98
5,853,131                          08/966,528                     12/29/98
5,853,136                          08/989,685                     12/29/98
5,853,142                          08/943,800                     12/29/98
5,853,150                          08/657,320                     12/29/98
5,853,153                          08/841,931                     12/29/98
5,853,155                          08/851,511                     12/29/98
5,853,157                          08/736,958                     12/29/98
5,853,158                          08/954,776                     12/29/98
5,853,159                          08/839,281                     12/29/98
5,853,168                          08/805,448                     12/29/98
5,853,177                          08/672,395                     12/29/98
5,853,179                          08/875,244                     12/29/98
5,853,180                          09/018,988                     12/29/98
5,853,185                          08/890,498                     12/29/98
5,853,187                          08/755,482                     12/29/98
5,853,189                          08/623,333                     12/29/98
5,853,200                          08/632,263                     12/29/98
5,853,210                          08/641,640                     12/29/98
5,853,213                          08/941,137                     12/29/98
5,853,216                          08/611,200                     12/29/98
5,853,218                          08/924,452                     12/29/98
5,853,231                          08/905,569                     12/29/98
5,853,235                          08/862,947                     12/29/98
5,853,239                          08/898,933                     12/29/98
5,853,242                          08/959,526                     12/29/98
5,853,260                          08/713,280                     12/29/98
5,853,261                          08/877,234                     12/29/98
5,853,262                          08/727,576                     12/29/98
5,853,263                          08/698,427                     12/29/98
5,853,270                          08/691,581                     12/29/98
5,853,278                          08/978,434                     12/29/98
5,853,281                          08/767,273                     12/29/98
5,853,283                          08/607,083                     12/29/98
5,853,285                          08/872,840                     12/29/98
5,853,309                          08/926,130                     12/29/98
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