United States Patent and Trademark Office OG Notices: 19 March 2002

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

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

                   PATENTS WHICH EXPIRED ON January 16, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

4,893,361                        07/136,386                       01/16/90
4,893,366                        07/162,693                       01/16/90
4,893,383                        07/305,568                       01/16/90
4,893,384                        07/311,464                       01/16/90
4,893,386                        07/252,295                       01/16/90
4,893,397                        07/125,453                       01/16/90
4,893,398                        06/925,000                       01/16/90
4,893,400                        07/087,929                       01/16/90
4,893,402                        07/230,082                       01/16/90
4,893,408                        07/297,870                       01/16/90
4,893,411                        07/272,334                       01/16/90
4,893,413                        07/159,778                       01/16/90
4,893,415                        07/110,694                       01/16/90
4,893,417                        07/242,783                       01/16/90
4,893,418                        07/142,474                       01/16/90
4,893,430                        07/279,874                       01/16/90
4,893,432                        07/322,400                       01/16/90
4,893,438                        07/245,462                       01/16/90
4,893,445                        07/188,170                       01/16/90
4,893,451                        07/097,579                       01/16/90
4,893,453                        07/301,197                       01/16/90
4,893,463                        07/247,932                       01/16/90
4,893,465                        07/234,660                       01/16/90
4,893,466                        07/355,038                       01/16/90
4,893,467                        07/218,680                       01/16/90
4,893,483                        07/236,224                       01/16/90
4,893,492                        07/251,517                       01/16/90
4,893,501                        07/271,691                       01/16/90
4,893,507                        07/256,468                       01/16/90
4,893,512                        07/196,172                       01/16/90
4,893,524                        07/271,311                       01/16/90
4,893,534                        07/207,145                       01/16/90
4,893,552                        07/279,436                       01/16/90
4,893,554                        07/249,872                       01/16/90
4,893,555                        07/285,685                       01/16/90
4,893,558                        07/290,807                       01/16/90
4,893,561                        07/305,439                       01/16/90
4,893,564                        07/256,642                       01/16/90
4,893,576                        06/941,149                       01/16/90
4,893,577                        07/195,589                       01/16/90
4,893,598                        07/339,699                       01/16/90
4,893,603                        07/176,278                       01/16/90
4,893,607                        07/222,547                       01/16/90
4,893,612                        07/121,716                       01/16/90
4,893,616                        07/148,857                       01/16/90
4,893,625                        07/020,942                       01/16/90
4,893,637                        07/097,240                       01/16/90
4,893,641                        07/347,582                       01/16/90
4,893,652                        07/188,598                       01/16/90
4,893,660                        07/271,385                       01/16/90
4,893,667                        07/104,212                       01/16/90
4,893,668                        07/227,798                       01/16/90
4,893,675                        07/273,906                       01/16/90
4,893,688                        07/245,438                       01/16/90
4,893,696                        07/222,117                       01/16/90
4,893,704                        07/328,992                       01/16/90
4,893,706                        07/163,249                       01/16/90
4,893,709                        07/234,335                       01/16/90
4,893,712                        07/239,934                       01/16/90
4,893,713                        07/318,607                       01/16/90
4,893,715                        07/295,199                       01/16/90
4,893,716                        07/235,346                       01/16/90
4,893,718                        07/274,953                       01/16/90
4,893,726                        07/221,700                       01/16/90
4,893,731                        07/287,187                       01/16/90
4,893,737                        07/054,566                       01/16/90
4,893,738                        07/255,877                       01/16/90
4,893,743                        07/349,471                       01/16/90
4,893,747                        07/382,814                       01/16/90
4,893,750                        07/229,180                       01/16/90
4,893,759                        07/355,121                       01/16/90
4,893,760                        07/286,883                       01/16/90
4,893,770                        07/297,556                       01/16/90
4,893,772                        07/158,410                       01/16/90
4,893,773                        07/259,289                       01/16/90
4,893,786                        07/279,299                       01/16/90
4,893,787                        07/159,719                       01/16/90
4,893,789                        07/195,953                       01/16/90
4,893,790                        07/168,151                       01/16/90
4,893,791                        07/241,530                       01/16/90
4,893,792                        07/268,759                       01/16/90
4,893,798                        07/279,794                       01/16/90
4,893,800                        07/231,014                       01/16/90
4,893,821                        07/190,712                       01/16/90
4,893,822                        06/635,432                       01/16/90
4,893,826                        07/046,828                       01/16/90
4,893,827                        07/238,861                       01/16/90
4,893,843                        07/322,789                       01/16/90
4,893,845                        07/183,640                       01/16/90
4,893,848                        07/268,452                       01/16/90
4,893,862                        07/274,393                       01/16/90
4,893,863                        07/306,719                       01/16/90
4,893,868                        07/220,623                       01/16/90
4,893,869                        07/259,774                       01/16/90
4,893,873                        07/296,968                       01/16/90
4,893,882                        07/339,109                       01/16/90
4,893,903                        06/856,356                       01/16/90
4,893,906                        07/165,821                       01/16/90
4,893,914                        07/256,672                       01/16/90
4,893,917                        07/171,379                       01/16/90
4,893,933                        07/103,069                       01/16/90
4,893,936                        06/864,096                       01/16/90
4,893,942                        07/137,459                       01/16/90
4,893,955                        07/152,833                       01/16/90
4,893,956                        07/272,916                       01/16/90
4,893,961                        07/361,591                       01/16/90
4,893,964                        07/306,179                       01/16/90
4,893,982                        07/138,727                       01/16/90
4,893,988                        07/269,365                       01/16/90
4,893,995                        07/280,044                       01/16/90
4,893,998                        07/197,314                       01/16/90
4,894,001                        07/254,387                       01/16/90
4,894,017                        07/296,568                       01/16/90
4,894,025                        07/348,384                       01/16/90
4,894,026                        07/310,979                       01/16/90
4,894,027                        07/313,916                       01/16/90
4,894,032                        07/295,000                       01/16/90
4,894,035                        07/263,612                       01/16/90
4,894,038                        07/328,914                       01/16/90
4,894,059                        07/060,392                       01/16/90
4,894,077                        07/110,691                       01/16/90
4,894,089                        07/103,851                       01/16/90
4,894,094                        07/086,780                       01/16/90
4,894,105                        07/114,362                       01/16/90
4,894,132                        07/259,780                       01/16/90
4,894,133                        07/210,119                       01/16/90
4,894,138                        07/235,385                       01/16/90
4,894,150                        07/205,618                       01/16/90
4,894,159                        07/361,341                       01/16/90
4,894,170                        07/315,809                       01/16/90
4,894,174                        07/188,589                       01/16/90
4,894,175                        07/157,734                       01/16/90
4,894,187                        07/153,181                       01/16/90
4,894,198                        07/129,025                       01/16/90
4,894,201                        07/199,735                       01/16/90
4,894,203                        07/152,507                       01/16/90
4,894,209                        07/063,370                       01/16/90
4,894,224                        07/183,879                       01/16/90
4,894,228                        07/217,824                       01/16/90
4,894,231                        07/078,534                       01/16/90
4,894,235                        06/783,862                       01/16/90
4,894,243                        07/078,114                       01/16/90
4,894,253                        07/229,720                       01/16/90
4,894,255                        06/890,889                       01/16/90
4,894,258                        07/294,443                       01/16/90
4,894,260                        07/246,387                       01/16/90
4,894,265                        07/144,529                       01/16/90
4,894,268                        07/129,706                       01/16/90
4,894,269                        07/127,811                       01/16/90
4,894,278                        07/210,011                       01/16/90
4,894,279                        06/861,393                       01/16/90
4,894,281                        07/199,956                       01/16/90
4,894,282                        07/169,077                       01/16/90
4,894,284                        06/549,843                       01/16/90
4,894,293                        07/166,290                       01/16/90
4,894,298                        07/261,802                       01/16/90
4,894,301                        07/389,507                       01/16/90
4,894,308                        07/259,239                       01/16/90
4,894,309                        07/246,070                       01/16/90
4,894,313                        07/048,751                       01/16/90
4,894,327                        07/112,149                       01/16/90
4,894,335                        07/026,188                       01/16/90
4,894,337                        07/297,041                       01/16/90
4,894,360                        07/355,582                       01/16/90
4,894,365                        07/154,193                       01/16/90
4,894,377                        07/003,179                       01/16/90
4,894,378                        07/210,061                       01/16/90
4,894,389                        07/104,195                       01/16/90
4,894,403                        07/073,045                       01/16/90
4,894,412                        07/195,650                       01/16/90
4,894,415                        07/095,001                       01/16/90
4,894,419                        07/191,131                       01/16/90
4,894,423                        07/268,132                       01/16/90
4,894,428                        07/292,698                       01/16/90
4,894,434                        07/195,927                       01/16/90
4,894,439                        06/866,213                       01/16/90
4,894,444                        07/074,376                       01/16/90
4,894,448                        07/271,347                       01/16/90
4,894,452                        07/182,504                       01/16/90
4,894,455                        07/016,083                       01/16/90
4,894,457                        07/135,392                       01/16/90
4,894,475                        07/138,076                       01/16/90
4,894,482                        07/281,302                       01/16/90
4,894,488                        07/309,831                       01/16/90
4,894,489                        07/052,635                       01/16/90
4,894,497                        07/308,141                       01/16/90
4,894,504                        07/214,113                       01/16/90
4,894,506                        07/246,796                       01/16/90
4,894,507                        07/190,006                       01/16/90
4,894,518                        07/294,994                       01/16/90
4,894,522                        07/123,356                       01/16/90
4,894,527                        07/324,677                       01/16/90
4,894,529                        07/267,205                       01/16/90
4,894,530                        07/032,798                       01/16/90
4,894,531                        07/106,847                       01/16/90
4,894,533                        07/220,998                       01/16/90
4,894,534                        07/004,107                       01/16/90
4,894,535                        07/251,793                       01/16/90
4,894,541                        07/225,342                       01/16/90
4,894,546                        07/164,803                       01/16/90
4,894,547                        07/101,944                       01/16/90
4,894,551                        07/199,271                       01/16/90
4,894,559                        07/094,557                       01/16/90
4,894,574                        07/086,699                       01/16/90
4,894,583                        07/239,715                       01/16/90
4,894,595                        07/178,165                       01/16/90
4,894,597                        07/195,292                       01/16/90
4,894,602                        07/201,545                       01/16/90
4,894,603                        07/071,657                       01/16/90
4,894,617                        07/185,533                       01/16/90
4,894,622                        07/281,565                       01/16/90
4,894,627                        07/292,980                       01/16/90
4,894,630                        07/275,747                       01/16/90
4,894,632                        07/274,224                       01/16/90
4,894,646                        07/122,827                       01/16/90
4,894,647                        07/142,026                       01/16/90
4,894,650                        07/203,319                       01/16/90
4,894,651                        07/062,677                       01/16/90
4,894,652                        07/254,738                       01/16/90
4,894,655                        07/161,099                       01/16/90
4,894,663                        07/121,322                       01/16/90
4,894,677                        07/281,574                       01/16/90
4,894,679                        07/202,794                       01/16/90
4,894,681                        07/370,156                       01/16/90
4,894,685                        07/106,856                       01/16/90
4,894,692                        07/203,295                       01/16/90
4,894,696                        06/938,967                       01/16/90
4,894,697                        07/264,418                       01/16/90
4,894,698                        07/338,545                       01/16/90
4,894,705                        07/100,920                       01/16/90
4,894,706                        06/919,001                       01/16/90
4,894,716                        07/341,076                       01/16/90
4,894,726                        07/222,201                       01/16/90
4,894,731                        07/151,965                       01/16/90
4,894,735                        07/206,270                       01/16/90
4,894,743                        07/192,197                       01/16/90
4,894,748                        07/286,533                       01/16/90
4,894,749                        07/091,244                       01/16/90
4,894,754                        07/284,057                       01/16/90
4,894,758                        07/402,764                       01/16/90
4,894,768                        07/021,007                       01/16/90
4,894,769                        07/017,385                       01/16/90
4,894,785                        07/095,158                       01/16/90
4,894,787                        07/187,227                       01/16/90
4,894,793                        06/728,888                       01/16/90
4,894,801                        07/077,176                       01/16/90
4,894,809                        07/205,767                       01/16/90
4,894,819                        07/241,266                       01/16/90
4,894,832                        07/244,379                       01/16/90
4,894,834                        07/321,529                       01/16/90
4,894,837                        07/273,210                       01/16/90
4,894,838                        07/259,687                       01/16/90
4,894,841                        07/210,725                       01/16/90
4,894,845                        07/201,512                       01/16/90
4,894,856                        07/086,503                       01/16/90
4,894,858                        07/358,151                       01/16/90
4,894,859                        07/277,405                       01/16/90
4,894,860                        07/203,722                       01/16/90
4,894,861                        07/273,213                       01/16/90

                   PATENTS WHICH EXPIRED ON January 11, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

5,276,926                        07/924,857                       01/11/94
5,276,930                        07/671,836                       01/11/94
5,276,931                        07/927,123                       01/11/94
5,276,934                        07/823,387                       01/11/94
5,276,943                        07/859,842                       01/11/94
5,276,945                        07/971,571                       01/11/94
5,276,946                        07/852,161                       01/11/94
5,276,953                        07/932,609                       01/11/94
5,276,964                        08/002,159                       01/11/94
5,276,968                        07/609,030                       01/11/94
5,276,973                        07/993,529                       01/11/94
5,276,977                        07/959,649                       01/11/94
5,276,978                        07/770,559                       01/11/94
5,276,979                        08/012,767                       01/11/94
5,276,987                        07/906,757                       01/11/94
5,276,990                        08/020,636                       01/11/94
5,276,994                        08/002,933                       01/11/94
5,276,996                        07/932,807                       01/11/94
5,276,998                        07/895,992                       01/11/94
5,276,999                        07/820,631                       01/11/94
5,277,001                        07/753,746                       01/11/94
5,277,003                        07/738,284                       01/11/94
5,277,009                        07/809,480                       01/11/94
5,277,011                        07/911,904                       01/11/94
5,277,013                        07/840,103                       01/11/94
5,277,014                        07/944,408                       01/11/94
5,277,015                        07/897,212                       01/11/94
5,277,016                        07/927,825                       01/11/94
5,277,019                        07/929,909                       01/11/94
5,277,025                        07/937,026                       01/11/94
5,277,026                        08/014,540                       01/11/94
5,277,028                        08/082,820                       01/11/94
5,277,029                        07/900,474                       01/11/94
5,277,032                        07/915,924                       01/11/94
5,277,039                        07/790,333                       01/11/94
5,277,042                        07/996,738                       01/11/94
5,277,043                        08/009,132                       01/11/94
5,277,046                        07/968,207                       01/11/94
5,277,052                        07/902,072                       01/11/94
5,277,055                        07/753,606                       01/11/94
5,277,056                        07/709,669                       01/11/94
5,277,063                        07/769,617                       01/11/94
5,277,071                        07/841,360                       01/11/94
5,277,074                        07/764,803                       01/11/94
5,277,082                        07/918,570                       01/11/94
5,277,086                        07/983,139                       01/11/94
5,277,087                        08/043,593                       01/11/94
5,277,088                        08/002,210                       01/11/94
5,277,089                        07/739,766                       01/11/94
5,277,097                        07/922,232                       01/11/94
5,277,103                        07/980,348                       01/11/94
5,277,104                        08/044,839                       01/11/94
5,277,108                        07/787,115                       01/11/94
5,277,115                        07/946,616                       01/11/94
5,277,116                        07/946,617                       01/11/94
5,277,130                        07/781,238                       01/11/94
5,277,131                        07/904,649                       01/11/94
5,277,138                        07/856,969                       01/11/94
5,277,148                        07/870,359                       01/11/94
5,277,149                        07/974,461                       01/11/94
5,277,154                        07/948,407                       01/11/94
5,277,170                        07/913,862                       01/11/94
5,277,172                        07/791,149                       01/11/94
5,277,174                        07/766,172                       01/11/94
5,277,176                        07/905,347                       01/11/94
5,277,178                        07/937,041                       01/11/94
5,277,179                        07/941,802                       01/11/94
5,277,193                        07/903,890                       01/11/94
5,277,194                        07/710,506                       01/11/94
5,277,204                        07/971,178                       01/11/94
5,277,205                        08/065,506                       01/11/94
5,277,209                        07/894,918                       01/11/94
5,277,210                        07/888,590                       01/11/94
5,277,212                        07/905,017                       01/11/94
5,277,227                        07/975,183                       01/11/94
5,277,229                        07/930,000                       01/11/94
5,277,237                        07/774,815                       01/11/94
5,277,240                        08/050,765                       01/11/94
5,277,256                        07/941,878                       01/11/94
5,277,258                        07/889,169                       01/11/94
5,277,263                        07/865,462                       01/11/94
5,277,264                        07/989,856                       01/11/94
5,277,272                        08/025,127                       01/11/94
5,277,276                        07/957,497                       01/11/94
5,277,278                        07/837,171                       01/11/94
5,277,282                        07/963,710                       01/11/94
5,277,293                        07/936,566                       01/11/94
5,277,298                        08/046,209                       01/11/94
5,277,305                        07/924,085                       01/11/94
5,277,317                        08/052,085                       01/11/94
5,277,325                        08/086,108                       01/11/94
5,277,331                        07/981,261                       01/11/94
5,277,342                        07/989,162                       01/11/94
5,277,345                        07/890,254                       01/11/94
5,277,351                        07/952,321                       01/11/94
5,277,355                        07/981,764                       01/11/94
5,277,361                        07/996,391                       01/11/94
5,277,362                        07/947,432                       01/11/94
5,277,367                        07/909,736                       01/11/94
5,277,373                        07/809,949                       01/11/94
5,277,379                        07/828,143                       01/11/94
5,277,384                        07/958,484                       01/11/94
5,277,385                        07/806,155                       01/11/94
5,277,394                        07/970,018                       01/11/94
5,277,400                        08/014,799                       01/11/94
5,277,405                        07/983,787                       01/11/94
5,277,406                        07/873,946                       01/11/94
5,277,407                        07/868,994                       01/11/94
5,277,408                        07/760,936                       01/11/94
5,277,410                        08/071,923                       01/11/94
5,277,414                        07/930,434                       01/11/94
5,277,418                        07/954,766                       01/11/94
5,277,421                        08/052,957                       01/11/94
5,277,422                        07/949,782                       01/11/94
5,277,431                        07/984,864                       01/11/94
5,277,437                        06/821,761                       01/11/94
5,277,441                        07/840,013                       01/11/94
5,277,442                        07/836,984                       01/11/94
5,277,445                        07/865,017                       01/11/94
5,277,448                        08/060,305                       01/11/94
5,277,449                        07/879,321                       01/11/94
5,277,451                        07/974,967                       01/11/94
5,277,457                        07/809,672                       01/11/94
5,277,462                        07/754,259                       01/11/94
5,277,466                        07/845,166                       01/11/94
5,277,467                        07/977,116                       01/11/94
5,277,469                        07/827,741                       01/11/94
5,277,470                        07/964,374                       01/11/94
5,277,472                        07/577,433                       01/11/94
5,277,481                        07/966,360                       01/11/94
5,277,483                        07/868,800                       01/11/94
5,277,490                        08/028,666                       01/11/94
5,277,492                        07/880,820                       01/11/94
5,277,496                        07/916,791                       01/11/94
5,277,507                        07/865,133                       01/11/94
5,277,509                        07/950,943                       01/11/94
5,277,510                        07/984,202                       01/11/94
5,277,517                        07/757,370                       01/11/94
5,277,527                        07/856,533                       01/11/94
5,277,529                        07/908,489                       01/11/94
5,277,533                        07/823,829                       01/11/94
5,277,536                        07/801,489                       01/11/94
5,277,549                        07/851,710                       01/11/94
5,277,553                        07/972,815                       01/11/94
5,277,569                        07/883,283                       01/11/94
5,277,581                        08/002,425                       01/11/94
5,277,584                        07/756,052                       01/11/94
5,277,586                        07/875,095                       01/11/94
5,277,594                        07/999,143                       01/11/94
5,277,598                        07/911,427                       01/11/94
5,277,600                        07/876,027                       01/11/94
5,277,609                        07/890,621                       01/11/94
5,277,612                        07/871,527                       01/11/94
5,277,617                        07/977,094                       01/11/94
5,277,622                        07/934,676                       01/11/94
5,277,623                        07/929,611                       01/11/94
5,277,628                        07/936,002                       01/11/94
5,277,629                        08/005,182                       01/11/94
5,277,635                        07/810,817                       01/11/94
5,277,637                        07/908,643                       01/11/94
5,277,647                        07/946,572                       01/11/94
5,277,652                        08/021,322                       01/11/94
5,277,653                        07/757,716                       01/11/94
5,277,654                        07/958,296                       01/11/94
5,277,657                        07/921,145                       01/11/94
5,277,661                        07/842,932                       01/11/94
5,277,670                        07/576,471                       01/11/94
5,277,671                        07/948,637                       01/11/94
5,277,676                        07/963,640                       01/11/94
5,277,680                        08/052,365                       01/11/94
5,277,681                        07/924,919                       01/11/94
5,277,682                        08/051,640                       01/11/94
5,277,693                        08/000,348                       01/11/94
5,277,700                        07/859,592                       01/11/94
5,277,701                        07/792,814                       01/11/94
5,277,702                        08/028,079                       01/11/94
5,277,703                        07/869,691                       01/11/94
5,277,707                        07/916,961                       01/11/94
5,277,711                        08/028,285                       01/11/94
5,277,712                        07/932,648                       01/11/94
5,277,725                        07/881,448                       01/11/94
5,277,731                        07/976,325                       01/11/94
5,277,734                        07/788,928                       01/11/94
5,277,737                        07/997,636                       01/11/94
5,277,738                        07/963,458                       01/11/94
5,277,742                        07/601,753                       01/11/94
5,277,744                        07/884,803                       01/11/94
5,277,760                        07/623,801                       01/11/94
5,277,765                        07/900,952                       01/11/94
5,277,766                        08/040,349                       01/11/94
5,277,769                        07/798,781                       01/11/94
5,277,772                        07/692,083                       01/11/94
5,277,777                        07/769,363                       01/11/94
5,277,778                        07/755,292                       01/11/94
5,277,781                        07/716,777                       01/11/94
5,277,797                        07/872,034                       01/11/94
5,277,798                        08/011,631                       01/11/94
5,277,800                        07/997,239                       01/11/94
5,277,801                        07/999,691                       01/11/94
5,277,805                        07/888,979                       01/11/94
5,277,812                        08/017,036                       01/11/94
5,277,817                        07/979,514                       01/11/94
5,277,826                        07/786,563                       01/11/94
5,277,827                        07/986,122                       01/11/94
5,277,833                        07/928,624                       01/11/94
5,277,838                        07/802,107                       01/11/94
5,277,840                        07/873,156                       01/11/94
5,277,843                        07/826,383                       01/11/94
5,277,848                        07/930,080                       01/11/94
5,277,850                        07/952,642                       01/11/94
5,277,862                        08/001,490                       01/11/94
5,277,873                        08/042,578                       01/11/94
5,277,887                        07/951,406                       01/11/94
5,277,902                        07/838,398                       01/11/94
5,277,904                        07/603,554                       01/11/94
5,277,908                        07/892,608                       01/11/94
5,277,924                        07/982,298                       01/11/94
5,277,934                        07/790,079                       01/11/94
5,277,937                        07/893,249                       01/11/94
5,277,940                        07/977,237                       01/11/94
5,277,946                        07/938,936                       01/11/94
5,277,952                        07/921,938                       01/11/94
5,277,953                        07/827,296                       01/11/94
5,277,958                        07/459,981                       01/11/94
5,277,959                        07/739,026                       01/11/94
5,277,963                        08/021,429                       01/11/94
5,277,969                        07/997,100                       01/11/94
5,277,973                        07/455,326                       01/11/94
5,277,984                        08/013,499                       01/11/94
5,277,990                        07/815,794                       01/11/94
5,278,003                        08/086,735                       01/11/94
5,278,017                        07/566,469                       01/11/94
5,278,024                        07/998,445                       01/11/94
5,278,029                        07/888,901                       01/11/94
5,278,043                        07/643,313                       01/11/94
5,278,053                        07/760,640                       01/11/94
5,278,058                        07/938,058                       01/11/94
5,278,069                        07/855,322                       01/11/94
5,278,072                        07/849,753                       01/11/94
5,278,073                        07/696,925                       01/11/94
5,278,077                        08/028,832                       01/11/94
5,278,084                        07/880,212                       01/11/94
5,278,110                        08/026,638                       01/11/94
5,278,116                        07/878,113                       01/11/94
5,278,124                        07/917,385                       01/11/94
5,278,133                        07/989,308                       01/11/94
5,278,134                        07/923,906                       01/11/94
5,278,135                        07/558,376                       01/11/94
5,278,138                        07/774,748                       01/11/94
5,278,149                        07/822,526                       01/11/94
5,278,154                        07/999,169                       01/11/94
5,278,162                        07/947,152                       01/11/94
5,278,163                        07/956,580                       01/11/94
5,278,167                        07/882,584                       01/11/94
5,278,168                        07/924,194                       01/11/94
5,278,172                        07/917,891                       01/11/94
5,278,174                        07/700,296                       01/11/94
5,278,181                        07/881,910                       01/11/94
5,278,184                        07/870,625                       01/11/94
5,278,187                        07/764,822                       01/11/94
5,278,194                        08/036,915                       01/11/94
5,278,195                        07/986,748                       01/11/94
5,278,198                        08/053,982                       01/11/94
5,278,199                        07/632,190                       01/11/94
5,278,207                        07/972,401                       01/11/94
5,278,209                        07/888,950                       01/11/94
5,278,215                        07/858,845                       01/11/94
5,278,218                        07/964,472                       01/11/94
5,278,225                        07/865,080                       01/11/94
5,278,226                        07/917,396                       01/11/94
5,278,228                        07/539,762                       01/11/94
5,278,234                        07/618,244                       01/11/94
5,278,247                        07/872,699                       01/11/94
5,278,260                        07/959,863                       01/11/94
5,278,266                        07/831,578                       01/11/94
5,278,268                        07/920,284                       01/11/94
5,278,286                        07/016,610                       01/11/94
5,278,289                        07/790,390                       01/11/94
5,278,290                        07/714,386                       01/11/94
5,278,293                        07/606,409                       01/11/94
5,278,301                        07/867,331                       01/11/94
5,278,302                        07/793,171                       01/11/94
5,278,308                        07/843,041                       01/11/94
5,278,309                        08/019,603                       01/11/94
5,278,310                        07/889,951                       01/11/94
5,278,319                        07/868,594                       01/11/94
5,278,320                        07/943,661                       01/11/94
5,278,324                        07/774,107                       01/11/94
5,278,325                        07/559,702                       01/11/94
5,278,331                        07/594,404                       01/11/94
5,278,334                        07/955,217                       01/11/94
5,278,335                        08/060,186                       01/11/94
5,278,337                        07/960,620                       01/11/94
5,278,338                        07/971,115                       01/11/94
5,278,339                        08/024,018                       01/11/94
5,278,340                        07/903,967                       01/11/94
5,278,341                        07/923,956                       01/11/94
5,278,352                        07/725,719                       01/11/94
5,278,358                        07/879,187                       01/11/94
5,278,377                        07/800,632                       01/11/94
5,278,384                        07/985,277                       01/11/94
5,278,385                        07/752,562                       01/11/94
5,278,387                        07/855,888                       01/11/94
5,278,388                        08/071,999                       01/11/94
5,278,390                        08/033,333                       01/11/94
5,278,391                        07/861,898                       01/11/94
5,278,395                        07/936,604                       01/11/94
5,278,405                        07/867,208                       01/11/94
5,278,407                        07/873,173                       01/11/94
5,278,413                        07/821,746                       01/11/94
5,278,418                        07/864,319                       01/11/94
5,278,431                        08/021,204                       01/11/94
5,278,434                        07/888,656                       01/11/94
5,278,442                        07/730,226                       01/11/94
5,278,446                        07/909,508                       01/11/94
5,278,455                        07/806,319                       01/11/94
5,278,456                        08/091,468                       01/11/94
5,278,465                        07/788,579                       01/11/94
5,278,470                        07/839,353                       01/11/94
5,278,472                        07/831,705                       01/11/94
5,278,479                        07/847,023                       01/11/94
5,278,482                        07/856,915                       01/11/94
5,278,488                        07/788,800                       01/11/94
5,278,493                        07/754,406                       01/11/94
5,278,495                        08/084,789                       01/11/94
5,278,496                        07/888,334                       01/11/94
5,278,502                        07/759,387                       01/11/94
5,278,506                        07/842,999                       01/11/94
5,278,510                        07/917,484                       01/11/94
5,278,512                        07/883,654                       01/11/94
5,278,513                        07/748,960                       01/11/94
5,278,520                        07/966,824                       01/11/94
5,278,528                        07/861,073                       01/11/94
5,278,536                        07/636,835                       01/11/94
5,278,538                        07/871,112                       01/11/94
5,278,544                        07/779,943                       01/11/94
5,278,552                        07/942,103                       01/11/94
5,278,558                        07/918,348                       01/11/94
5,278,563                        07/941,716                       01/11/94
5,278,570                        07/941,602                       01/11/94
5,278,571                        07/777,629                       01/11/94
5,278,621                        07/881,966                       01/11/94
5,278,627                        07/835,505                       01/11/94
5,278,633                        07/925,132                       01/11/94
5,278,639                        07/910,370                       01/11/94
5,278,643                        07/862,750                       01/11/94
5,278,645                        07/899,840                       01/11/94
5,278,651                        07/706,241                       01/11/94
5,278,660                        07/766,290                       01/11/94
5,278,670                        07/995,652                       01/11/94
5,278,671                        07/770,053                       01/11/94
5,278,681                        08/059,867                       01/11/94
5,278,693                        07/820,998                       01/11/94
5,278,695                        07/771,522                       01/11/94
5,278,696                        07/887,546                       01/11/94
5,278,701                        07/728,159                       01/11/94
5,278,707                        07/723,607                       01/11/94
5,278,709                        07/776,186                       01/11/94
5,278,714                        08/058,794                       01/11/94
5,278,718                        07/755,555                       01/11/94
5,278,724                        07/909,520                       01/11/94
5,278,729                        08/038,568                       01/11/94
5,278,735                        08/034,530                       01/11/94
5,278,740                        07/824,610                       01/11/94
5,278,741                        07/906,094                       01/11/94
5,278,751                        07/752,711                       01/11/94
5,278,757                        07/792,789                       01/11/94
5,278,762                        07/670,787                       01/11/94
5,278,767                        06/819,020                       01/11/94
5,278,768                        07/709,485                       01/11/94
5,278,775                        07/768,048                       01/11/94
5,278,778                        07/613,560                       01/11/94
5,278,785                        07/713,995                       01/11/94
5,278,789                        07/801,807                       01/11/94
5,278,792                        07/824,623                       01/11/94
5,278,795                        08/047,334                       01/11/94
5,278,799                        07/702,329                       01/11/94
5,278,806                        07/865,203                       01/11/94
5,278,813                        07/878,974                       01/11/94
5,278,816                        07/614,627                       01/11/94
5,278,819                        07/819,454                       01/11/94
5,278,820                        07/952,042                       01/11/94
5,278,823                        07/858,478                       01/11/94
5,278,853                        07/889,469                       01/11/94
5,278,868                        07/613,816                       01/11/94
5,278,870                        07/684,395                       01/11/94
5,278,881                        07/969,520                       01/11/94
5,278,888                        07/868,477                       01/11/94
5,278,940                        07/736,250                       01/11/94
5,278,942                        07/802,678                       01/11/94
5,278,958                        07/662,999                       01/11/94
5,278,959                        07/490,172                       01/11/94
5,278,960                        07/928,641                       01/11/94
5,278,982                        07/813,233                       01/11/94
5,278,983                        07/957,461                       01/11/94
5,278,986                        07/805,566                       01/11/94
5,278,989                        07/905,081                       01/11/94

                   PATENTS WHICH EXPIRED ON January 13, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

5,706,519                        08/419,359                       01/13/98
5,706,523                        08/610,363                       01/13/98
5,706,526                        08/732,809                       01/13/98
5,706,528                        08/542,295                       01/13/98
5,706,531                        08/685,938                       01/13/98
5,706,532                        08/762,742                       01/13/98
5,706,538                        08/685,780                       01/13/98
5,706,540                        08/675,639                       01/13/98
5,706,546                        08/738,834                       01/13/98
5,706,551                        08/624,540                       01/13/98
5,706,558                        08/731,847                       01/13/98
5,706,561                        08/705,137                       01/13/98
5,706,566                        08/406,071                       01/13/98
5,706,584                        08/670,424                       01/13/98
5,706,589                        08/662,706                       01/13/98
5,706,596                        08/629,615                       01/13/98
5,706,599                        08/444,209                       01/13/98
5,706,601                        08/447,755                       01/13/98
5,706,604                        08/662,987                       01/13/98
5,706,606                        08/652,802                       01/13/98
5,706,612                        08/780,743                       01/13/98
5,706,613                        08/516,451                       01/13/98
5,706,617                        08/581,960                       01/13/98
5,706,622                        08/257,719                       01/13/98
5,706,631                        08/705,046                       01/13/98
5,706,637                        08/653,490                       01/13/98
5,706,640                        08/584,796                       01/13/98
5,706,656                        08/628,542                       01/13/98
5,706,665                        08/660,349                       01/13/98
5,706,669                        08/671,295                       01/13/98
5,706,673                        08/715,228                       01/13/98
5,706,675                        08/516,554                       01/13/98
5,706,680                        08/578,908                       01/13/98
5,706,681                        08/519,715                       01/13/98
5,706,683                        08/645,532                       01/13/98
5,706,689                        08/818,290                       01/13/98
5,706,695                        08/746,334                       01/13/98
5,706,703                        08/581,485                       01/13/98
5,706,706                        08/674,751                       01/13/98
5,706,709                        08/650,826                       01/13/98
5,706,710                        08/678,562                       01/13/98
5,706,714                        08/609,149                       01/13/98
5,706,721                        08/625,722                       01/13/98
5,706,722                        08/507,220                       01/13/98
5,706,736                        08/584,223                       01/13/98
5,706,748                        08/582,972                       01/13/98
5,706,749                        08/525,711                       01/13/98
5,706,750                        08/766,235                       01/13/98
5,706,751                        08/410,063                       01/13/98
5,706,759                        08/535,737                       01/13/98
5,706,760                        08/609,778                       01/13/98
5,706,763                        08/656,204                       01/13/98
5,706,766                        08/627,779                       01/13/98
5,706,767                        08/526,636                       01/13/98
5,706,773                        08/801,614                       01/13/98
5,706,775                        08/631,476                       01/13/98
5,706,785                        08/621,224                       01/13/98
5,706,796                        08/699,088                       01/13/98
5,706,814                        08/666,201                       01/13/98
5,706,828                        08/681,990                       01/13/98
5,706,829                        08/660,798                       01/13/98
5,706,831                        08/708,925                       01/13/98
5,706,832                        08/747,624                       01/13/98
5,706,838                        08/639,722                       01/13/98
5,706,839                        08/797,846                       01/13/98
5,706,842                        08/412,674                       01/13/98
5,706,844                        08/600,070                       01/13/98
5,706,845                        08/801,045                       01/13/98
5,706,849                        08/675,116                       01/13/98
5,706,850                        08/752,240                       01/13/98
5,706,851                        08/562,680                       01/13/98
5,706,852                        08/538,739                       01/13/98
5,706,855                        08/673,335                       01/13/98
5,706,863                        08/532,249                       01/13/98
5,706,867                        08/717,464                       01/13/98
5,706,869                        08/653,494                       01/13/98
5,706,870                        08/643,338                       01/13/98
5,706,878                        08/666,265                       01/13/98
5,706,887                        08/758,084                       01/13/98
5,706,893                        08/398,034                       01/13/98
5,706,895                        08/568,869                       01/13/98
5,706,899                        08/575,559                       01/13/98
5,706,916                        08/492,092                       01/13/98
5,706,921                        08/759,740                       01/13/98
5,706,928                        08/604,861                       01/13/98
5,706,938                        08/589,253                       01/13/98
5,706,939                        08/774,678                       01/13/98
5,706,943                        08/808,910                       01/13/98
5,706,947                        08/689,483                       01/13/98
5,706,953                        08/658,060                       01/13/98
5,706,967                        08/765,100                       01/13/98
5,706,972                        08/586,202                       01/13/98
5,706,975                        08/753,204                       01/13/98
5,706,976                        08/576,254                       01/13/98
5,706,977                        08/608,015                       01/13/98
5,706,981                        08/561,497                       01/13/98
5,706,986                        08/556,493                       01/13/98
5,706,988                        08/580,234                       01/13/98
5,706,989                        08/764,771                       01/13/98
5,706,993                        08/680,212                       01/13/98
5,707,007                        08/731,090                       01/13/98
5,707,014                        08/415,654                       01/13/98
5,707,021                        08/656,806                       01/13/98
5,707,030                        08/731,051                       01/13/98
5,707,038                        08/736,335                       01/13/98
5,707,044                        08/591,784                       01/13/98
5,707,049                        08/553,732                       01/13/98
5,707,052                        08/703,123                       01/13/98
5,707,063                        08/567,103                       01/13/98
5,707,065                        08/764,272                       01/13/98
5,707,071                        08/416,781                       01/13/98
5,707,076                        08/698,400                       01/13/98
5,707,079                        08/751,577                       01/13/98
5,707,085                        08/713,972                       01/13/98
5,707,089                        08/696,164                       01/13/98
5,707,096                        08/478,516                       01/13/98
5,707,097                        08/552,109                       01/13/98
5,707,106                        08/610,204                       01/13/98
5,707,111                        08/651,820                       01/13/98
5,707,124                        08/621,801                       01/13/98
5,707,125                        08/712,590                       01/13/98
5,707,126                        08/598,111                       01/13/98
5,707,127                        08/673,730                       01/13/98
5,707,135                        08/710,479                       01/13/98
5,707,140                        08/412,004                       01/13/98
5,707,157                        08/693,734                       01/13/98
5,707,163                        08/345,499                       01/13/98
5,707,168                        08/698,563                       01/13/98
5,707,178                        08/561,403                       01/13/98
5,707,188                        08/551,523                       01/13/98
5,707,197                        08/639,902                       01/13/98
5,707,198                        08/411,658                       01/13/98
5,707,200                        08/723,990                       01/13/98
5,707,217                        08/659,626                       01/13/98
5,707,224                        08/727,270                       01/13/98
5,707,230                        08/449,753                       01/13/98
5,707,231                        08/280,014                       01/13/98
5,707,236                        08/520,347                       01/13/98
5,707,237                        08/537,678                       01/13/98
5,707,238                        08/548,530                       01/13/98
5,707,242                        08/256,755                       01/13/98
5,707,246                        08/590,056                       01/13/98
5,707,252                        08/541,821                       01/13/98
5,707,262                        08/636,248                       01/13/98
5,707,270                        08/168,677                       01/13/98
5,707,279                        08/661,448                       01/13/98
5,707,284                        08/588,025                       01/13/98
5,707,286                        08/358,242                       01/13/98
5,707,290                        08/650,390                       01/13/98
5,707,294                        08/729,045                       01/13/98
5,707,295                        08/754,989                       01/13/98
5,707,297                        08/748,398                       01/13/98
5,707,301                        08/779,502                       01/13/98
5,707,307                        08/670,584                       01/13/98
5,707,320                        08/768,439                       01/13/98
5,707,324                        08/756,824                       01/13/98
5,707,329                        08/799,115                       01/13/98
5,707,340                        08/559,102                       01/13/98
5,707,341                        08/658,988                       01/13/98
5,707,345                        08/113,369                       01/13/98
5,707,351                        08/470,679                       01/13/98
5,707,359                        08/557,490                       01/13/98
5,707,362                        08/417,046                       01/13/98
5,707,363                        08/609,154                       01/13/98
5,707,372                        08/772,408                       01/13/98
5,707,374                        08/659,816                       01/13/98
5,707,395                        08/784,234                       01/13/98
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