United States Patent and Trademark Office OG Notices: 07 May 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 March 13, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date


4,907,305                       07/240,329                       03/13/90
4,907,310                       07/251,703                       03/13/90
4,907,318                       07/238,192                       03/13/90
4,907,324                       07/241,286                       03/13/90
4,907,326                       07/146,082                       03/13/90
4,907,327                       07/360,127                       03/13/90
4,907,328                       07/239,215                       03/13/90
4,907,330                       07/202,295                       03/13/90
4,907,331                       07/305,512                       03/13/90
4,907,337                       07/116,081                       03/13/90
4,907,342                       07/386,760                       03/13/90
4,907,344                       07/162,797                       03/13/90
4,907,358                       07/397,544                       03/13/90
4,907,369                       07/111,250                       03/13/90
4,907,370                       07/241,251                       03/13/90
4,907,378                       07/270,546                       03/13/90
4,907,385                       07/307,619                       03/13/90
4,907,389                       07/146,380                       03/13/90
4,907,391                       07/209,346                       03/13/90
4,907,401                       07/363,474                       03/13/90
4,907,412                       07/025,076                       03/13/90
4,907,416                       07/358,613                       03/13/90
4,907,417                       07/171,455                       03/13/90
4,907,431                       07/218,566                       03/13/90
4,907,445                       07/291,303                       03/13/90
4,907,447                       07/195,065                       03/13/90
4,907,448                       07/309,745                       03/13/90
4,907,452                       07/253,531                       03/13/90
4,907,466                       07/237,666                       03/13/90
4,907,470                       07/388,462                       03/13/90
4,907,475                       07/187,181                       03/13/90
4,907,476                       07/074,572                       03/13/90
4,907,478                       07/118,928                       03/13/90
4,907,501                       07/299,703                       03/13/90
4,907,502                       07/105,546                       03/13/90
4,907,511                       06/639,647                       03/13/90
4,907,515                       06/661,984                       03/13/90
4,907,523                       07/216,629                       03/13/90
4,907,528                       07/203,436                       03/13/90
4,907,532                       07/235,939                       03/13/90
4,907,549                       07/341,148                       03/13/90
4,907,553                       07/288,595                       03/13/90
4,907,554                       07/299,987                       03/13/90
4,907,565                       07/313,694                       03/13/90
4,907,567                       07/193,504                       03/13/90
4,907,574                       07/229,335                       03/13/90
4,907,580                       07/261,339                       03/13/90
4,907,581                       07/214,014                       03/13/90
4,907,595                       07/095,345                       03/13/90
4,907,600                       07/222,151                       03/13/90
4,907,601                       07/250,639                       03/13/90
4,907,602                       07/042,440                       03/13/90
4,907,607                       06/545,717                       03/13/90
4,907,608                       07/037,272                       03/13/90
4,907,609                       07/236,477                       03/13/90
4,907,611                       07/130,552                       03/13/90
4,907,613                       07/243,471                       03/13/90
4,907,619                       07/207,174                       03/13/90
4,907,626                       07/202,571                       03/13/90
4,907,629                       07/305,661                       03/13/90
4,907,634                       07/188,519                       03/13/90
4,907,635                       07/252,366                       03/13/90
4,907,640                       07/202,674                       03/13/90
4,907,641                       07/290,274                       03/13/90
4,907,647                       07/220,372                       03/13/90
4,907,651                       07/136,617                       03/13/90
4,907,656                       07/292,129                       03/13/90
4,907,669                       07/266,434                       03/13/90
4,907,681                       07/188,613                       03/13/90
4,907,685                       07/302,956                       03/13/90
4,907,689                       07/099,964                       03/13/90
4,907,708                       07/295,971                       03/13/90
4,907,722                       07/162,933                       03/13/90
4,907,724                       06/764,251                       03/13/90
4,907,726                       07/263,467                       03/13/90
4,907,741                       07/356,593                       03/13/90
4,907,745                       07/196,521                       03/13/90
4,907,750                       07/165,962                       03/13/90
4,907,753                       07/304,201                       03/13/90
4,907,759                       07/140,798                       03/13/90
4,907,769                       07/267,389                       03/13/90
4,907,771                       07/317,406                       03/13/90
4,907,799                       07/300,604                       03/13/90
4,907,813                       07/249,491                       03/13/90
4,907,816                       07/188,669                       03/13/90
4,907,817                       07/143,851                       03/13/90
4,907,818                       07/326,446                       03/13/90
4,907,821                       07/331,257                       03/13/90
4,907,828                       07/156,206                       03/13/90
4,907,833                       07/289,382                       03/13/90
4,907,840                       07/371,220                       03/13/90
4,907,841                       07/313,794                       03/13/90
4,907,852                       07/303,893                       03/13/90
4,907,853                       07/117,627                       03/13/90
4,907,861                       07/219,871                       03/13/90
4,907,863                       07/247,831                       03/13/90
4,907,865                       07/289,269                       03/13/90
4,907,867                       07/202,772                       03/13/90
4,907,876                       07/188,957                       03/13/90
4,907,885                       07/297,527                       03/13/90
4,907,892                       07/305,029                       03/13/90
4,907,897                       07/111,232                       03/13/90
4,907,903                       07/235,696                       03/13/90
4,907,906                       07/233,525                       03/13/90
4,907,907                       07/087,190                       03/13/90
4,907,908                       07/114,130                       03/13/90
4,907,909                       07/175,526                       03/13/90
4,907,910                       07/174,310                       03/13/90
4,907,911                       07/187,036                       03/13/90
4,907,912                       07/253,767                       03/13/90
4,907,916                       07/324,297                       03/13/90
4,907,922                       07/379,960                       03/13/90
4,907,923                       07/236,595                       03/13/90
4,907,927                       07/262,584                       03/13/90
4,907,929                       06/934,764                       03/13/90
4,907,930                       07/230,589                       03/13/90
4,907,941                       07/082,164                       03/13/90
4,907,945                       07/338,971                       03/13/90
4,907,946                       07/230,392                       03/13/90
4,907,951                       07/245,791                       03/13/90
4,907,952                       07/128,632                       03/13/90
4,907,968                       07/190,816                       03/13/90
4,907,977                       07/258,260                       03/13/90
4,907,983                       07/183,974                       03/13/90
4,907,989                       07/314,114                       03/13/90
4,907,990                       07/255,001                       03/13/90
4,908,014                       07/247,385                       03/13/90
4,908,025                       06/861,586                       03/13/90
4,908,031                       07/385,619                       03/13/90
4,908,034                       07/314,285                       03/13/90
4,908,045                       07/289,622                       03/13/90
4,908,047                       07/107,721                       03/13/90
4,908,048                       06/563,550                       03/13/90
4,908,051                       07/228,697                       03/13/90
4,908,053                       07/232,998                       03/13/90
4,908,055                       07/298,093                       03/13/90
4,908,057                       07/227,030                       03/13/90
4,908,069                       07/110,132                       03/13/90
4,908,078                       07/207,310                       03/13/90
4,908,092                       07/146,010                       03/13/90
4,908,093                       07/011,469                       03/13/90
4,908,094                       07/093,923                       03/13/90
4,908,101                       07/119,703                       03/13/90
4,908,102                       06/641,409                       03/13/90
4,908,105                       06/703,677                       03/13/90
4,908,106                       07/340,670                       03/13/90
4,908,107                       07/202,127                       03/13/90
4,908,109                       07/171,684                       03/13/90
4,908,116                       07/359,512                       03/13/90
4,908,121                       06/861,963                       03/13/90
4,908,132                       07/385,768                       03/13/90
4,908,156                       07/087,323                       03/13/90
4,908,160                       07/112,459                       03/13/90
4,908,169                       07/201,771                       03/13/90
4,908,185                       07/186,005                       03/13/90
4,908,187                       07/228,786                       03/13/90
4,908,193                       07/154,247                       03/13/90
4,908,195                       07/333,746                       03/13/90
4,908,197                       07/334,612                       03/13/90
4,908,208                       07/184,731                       03/13/90
4,908,215                       07/274,016                       03/13/90
4,908,221                       07/184,878                       03/13/90
4,908,225                       07/316,537                       03/13/90
4,908,230                       07/289,655                       03/13/90
4,908,234                       07/174,908                       03/13/90
4,908,235                       07/164,911                       03/13/90
4,908,251                       07/091,914                       03/13/90
4,908,254                       07/166,269                       03/13/90
4,908,257                       07/059,546                       03/13/90
4,908,261                       07/252,001                       03/13/90
4,908,270                       07/316,024                       03/13/90
4,908,294                       07/011,896                       03/13/90
4,908,296                       07/200,386                       03/13/90
4,908,298                       07/117,383                       03/13/90
4,908,299                       07/292,553                       03/13/90
4,908,300                       07/258,044                       03/13/90
4,908,312                       07/281,920                       03/13/90
4,908,313                       07/131,281                       03/13/90
4,908,319                       07/168,994                       03/13/90
4,908,328                       07/361,894                       03/13/90
4,908,338                       07/196,515                       03/13/90
4,908,341                       07/110,318                       03/13/90
4,908,349                       07/219,018                       03/13/90
4,908,352                       07/101,580                       03/13/90
4,908,353                       07/257,605                       03/13/90
4,908,359                       07/153,148                       03/13/90
4,908,360                       07/270,335                       03/13/90
4,908,365                       07/071,483                       03/13/90
4,908,373                       07/340,096                       03/13/90
4,908,376                       07/015,820                       03/13/90
4,908,382                       07/308,070                       03/13/90
4,908,395                       07/185,661                       03/13/90
4,908,399                       07/270,136                       03/13/90
4,908,400                       07/197,707                       03/13/90
4,908,410                       07/302,759                       03/13/90
4,908,413                       07/251,754                       03/13/90
4,908,451                       07/172,155                       03/13/90
4,908,457                       07/280,972                       03/13/90
4,908,465                       07/203,851                       03/13/90
4,908,468                       07/126,965                       03/13/90
4,908,473                       07/275,081                       03/13/90
4,908,476                       07/170,728                       03/13/90
4,908,487                       07/199,210                       03/13/90
4,908,497                       07/316,293                       03/13/90
4,908,509                       07/263,545                       03/13/90
4,908,527                       07/241,589                       03/13/90
4,908,531                       07/246,425                       03/13/90
4,908,541                       07/088,958                       03/13/90
4,908,550                       07/114,352                       03/13/90
4,908,555                       07/273,517                       03/13/90
4,908,558                       07/184,818                       03/13/90
4,908,559                       07/157,506                       03/13/90
4,908,563                       07/192,791                       03/13/90
4,908,567                       07/312,935                       03/13/90
4,908,569                       07/230,044                       03/13/90
4,908,576                       07/094,407                       03/13/90
4,908,579                       07/235,495                       03/13/90
4,908,594                       07/215,854                       03/13/90
4,908,596                       07/311,811                       03/13/90
4,908,604                       07/098,802                       03/13/90
4,908,607                       07/313,886                       03/13/90
4,908,609                       07/034,194                       03/13/90
4,908,616                       07/255,326                       03/13/90
4,908,630                       07/236,242                       03/13/90
4,908,631                       07/222,650                       03/13/90
4,908,640                       07/282,777                       03/13/90
4,908,648                       07/289,019                       03/13/90
4,908,659                       07/215,518                       03/13/90
4,908,671                       07/295,739                       03/13/90
4,908,675                       07/195,459                       03/13/90
4,908,676                       07/135,126                       03/13/90
4,908,680                       07/224,294                       03/13/90
4,908,691                       07/106,210                       03/13/90
4,908,695                       07/178,650                       03/13/90
4,908,696                       07/097,124                       03/13/90
4,908,699                       07/299,290                       03/13/90
4,908,703                       07/216,620                       03/13/90
4,908,719                       07/281,564                       03/13/90
4,908,722                       07/214,584                       03/13/90
4,908,731                       07/233,119                       03/13/90
4,908,753                       07/321,266                       03/13/90
4,908,757                       07/303,099                       03/13/90
4,908,758                       07/133,959                       03/13/90
4,908,760                       07/140,042                       03/13/90
4,908,761                       07/245,818                       03/13/90
4,908,762                       07/188,910                       03/13/90
4,908,764                       07/146,558                       03/13/90
4,908,775                       07/018,379                       03/13/90
4,908,778                       07/250,995                       03/13/90
4,908,790                       07/166,383                       03/13/90
4,908,793                       07/105,844                       03/13/90
4,908,794                       07/271,986                       03/13/90
4,908,796                       07/198,164                       03/13/90
4,908,814                       07/135,029                       03/13/90
4,908,818                       07/066,940                       03/13/90
4,908,822                       07/280,916                       03/13/90
4,908,824                       07/231,230                       03/13/90
4,908,834                       07/100,577                       03/13/90
4,908,839                       07/333,835                       03/13/90
4,908,842                       07/311,360                       03/13/90
4,908,848                       07/180,553                       03/13/90
4,908,861                       07/090,633                       03/13/90
4,908,869                       07/349,515                       03/13/90

                    PATENTS WHICH EXPIRED ON March 8, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

5,291,616                       08/011,441                       03/08/94
5,291,623                       07/940,124                       03/08/94
5,291,625                       08/100,386                       03/08/94
5,291,627                       08/043,541                       03/08/94
5,291,628                       07/805,762                       03/08/94
5,291,640                       07/919,758                       03/08/94
5,291,643                       07/985,101                       03/08/94
5,291,652                       07/895,614                       03/08/94
5,291,658                       07/849,759                       03/08/94
5,291,661                       07/929,173                       03/08/94
5,291,662                       07/952,054                       03/08/94
5,291,666                       08/052,441                       03/08/94
5,291,668                       07/863,435                       03/08/94
5,291,669                       07/750,990                       03/08/94
5,291,670                       07/754,362                       03/08/94
5,291,674                       08/022,294                       03/08/94
5,291,677                       07/808,149                       03/08/94
5,291,680                       07/943,657                       03/08/94
5,291,685                       07/943,669                       03/08/94
5,291,690                       07/964,655                       03/08/94
5,291,694                       07/885,595                       03/08/94
5,291,696                       07/877,527                       03/08/94
5,291,701                       07/474,848                       03/08/94
5,291,717                       07/701,282                       03/08/94
5,291,727                       07/850,302                       03/08/94
5,291,728                       07/871,098                       03/08/94
5,291,731                       08/035,862                       03/08/94
5,291,732                       08/014,886                       03/08/94
5,291,735                       08/035,812                       03/08/94
5,291,738                       07/986,515                       03/08/94
5,291,740                       07/908,102                       03/08/94
5,291,744                       07/948,300                       03/08/94
5,291,745                       08/023,021                       03/08/94
5,291,754                       07/598,708                       03/08/94
5,291,775                       07/845,919                       03/08/94
5,291,779                       07/908,210                       03/08/94
5,291,780                       07/768,450                       03/08/94
5,291,785                       07/767,002                       03/08/94
5,291,803                       07/832,930                       03/08/94
5,291,806                       08/075,959                       03/08/94
5,291,811                       07/883,133                       03/08/94
5,291,813                       08/061,427                       03/08/94
5,291,830                       07/969,611                       03/08/94
5,291,833                       07/940,871                       03/08/94
5,291,834                       08/086,380                       03/08/94
5,291,835                       08/037,040                       03/08/94
5,291,837                       08/013,550                       03/08/94
5,291,841                       08/027,467                       03/08/94
5,291,842                       08/018,350                       03/08/94
5,291,849                       07/988,711                       03/08/94
5,291,852                       07/741,429                       03/08/94
5,291,855                       07/944,410                       03/08/94
5,291,857                       07/921,252                       03/08/94
5,291,864                       08/077,439                       03/08/94
5,291,870                       08/009,991                       03/08/94
5,291,871                       07/818,131                       03/08/94
5,291,879                       07/918,372                       03/08/94
5,291,882                       07/881,221                       03/08/94
5,291,894                       07/886,437                       03/08/94
5,291,897                       07/755,873                       03/08/94
5,291,902                       08/003,052                       03/08/94
5,291,903                       08/007,824                       03/08/94
5,291,906                       07/993,652                       03/08/94
5,291,907                       07/955,050                       03/08/94
5,291,909                       07/668,935                       03/08/94
5,291,919                       07/979,692                       03/08/94
5,291,921                       08/055,716                       03/08/94
5,291,924                       07/779,348                       03/08/94
5,291,925                       07/944,897                       03/08/94
5,291,929                       07/963,212                       03/08/94
5,291,932                       07/974,290                       03/08/94
5,291,933                       07/992,113                       03/08/94
5,291,935                       07/866,558                       03/08/94
5,291,942                       08/066,485                       03/08/94
5,291,946                       08/014,238                       03/08/94
5,291,953                       08/008,720                       03/08/94
5,291,954                       07/932,937                       03/08/94
5,291,955                       08/031,674                       03/08/94
5,291,956                       07/869,319                       03/08/94
5,291,961                       07/954,822                       03/08/94
5,291,963                       07/938,757                       03/08/94
5,291,967                       07/809,442                       03/08/94
5,291,971                       08/039,282                       03/08/94
5,291,972                       07/562,558                       03/08/94
5,291,976                       08/026,524                       03/08/94
5,291,977                       07/920,261                       03/08/94
5,291,982                       08/003,672                       03/08/94
5,291,985                       07/964,887                       03/08/94
5,291,989                       07/775,010                       03/08/94
5,292,001                       07/689,458                       03/08/94
5,292,005                       08/015,128                       03/08/94
5,292,006                       07/818,271                       03/08/94
5,292,018                       07/909,762                       03/08/94
5,292,022                       07/861,976                       03/08/94
5,292,028                       07/967,257                       03/08/94
5,292,035                       08/021,167                       03/08/94
5,292,038                       08/004,133                       03/08/94
5,292,040                       07/851,727                       03/08/94
5,292,042                       07/998,740                       03/08/94
5,292,044                       07/659,013                       03/08/94
5,292,051                       08/018,272                       03/08/94
5,292,061                       08/029,575                       03/08/94
5,292,064                       08/035,075                       03/08/94
5,292,065                       07/906,800                       03/08/94
5,292,090                       07/984,539                       03/08/94
5,292,094                       07/939,112                       03/08/94
5,292,096                       08/069,201                       03/08/94
5,292,100                       08/047,946                       03/08/94
5,292,101                       07/804,290                       03/08/94
5,292,108                       07/790,248                       03/08/94
5,292,112                       07/974,476                       03/08/94
5,292,119                       08/036,311                       03/08/94
5,292,120                       07/976,482                       03/08/94
5,292,121                       07/940,238                       03/08/94
5,292,123                       08/048,295                       03/08/94
5,292,129                       08/027,874                       03/08/94
5,292,131                       08/017,902                       03/08/94
5,292,134                       07/930,947                       03/08/94
5,292,135                       07/934,614                       03/08/94
5,292,143                       07/895,831                       03/08/94
5,292,147                       07/747,952                       03/08/94
5,292,160                       07/964,714                       03/08/94
5,292,161                       07/783,986                       03/08/94
5,292,162                       07/862,222                       03/08/94
5,292,166                       08/035,198                       03/08/94
5,292,170                       08/040,004                       03/08/94
5,292,173                       07/962,692                       03/08/94
5,292,175                       07/939,521                       03/08/94
5,292,176                       08/048,753                       03/08/94
5,292,179                       07/988,901                       03/08/94
5,292,184                       07/848,686                       03/08/94
5,292,190                       07/625,910                       03/08/94
5,292,202                       08/000,731                       03/08/94
5,292,203                       07/989,467                       03/08/94
5,292,223                       07/683,877                       03/08/94
5,292,230                       07/991,799                       03/08/94
5,292,233                       08/045,506                       03/08/94
5,292,234                       08/055,592                       03/08/94
5,292,243                       07/952,231                       03/08/94
5,292,249                       07/878,450                       03/08/94
5,292,252                       07/990,064                       03/08/94
5,292,253                       07/901,834                       03/08/94
5,292,256                       08/003,199                       03/08/94
5,292,279                       07/910,123                       03/08/94
5,292,288                       07/776,007                       03/08/94
5,292,294                       07/710,541                       03/08/94
5,292,302                       07/802,496                       03/08/94
5,292,307                       07/945,671                       03/08/94
5,292,313                       07/832,417                       03/08/94
5,292,324                       08/033,377                       03/08/94
5,292,333                       07/755,523                       03/08/94
5,292,336                       08/037,139                       03/08/94
5,292,351                       07/976,640                       03/08/94
5,292,352                       07/923,296                       03/08/94
5,292,353                       07/725,591                       03/08/94
5,292,356                       07/878,434                       03/08/94
5,292,359                       08/093,521                       03/08/94
5,292,361                       07/923,097                       03/08/94
5,292,366                       07/766,819                       03/08/94
5,292,370                       07/930,590                       03/08/94
5,292,371                       07/966,368                       03/08/94
5,292,375                       08/071,881                       03/08/94
5,292,376                       07/853,127                       03/08/94
5,292,378                       08/038,592                       03/08/94
5,292,379                       07/901,340                       03/08/94
5,292,394                       07/881,530                       03/08/94
5,292,396                       07/968,750                       03/08/94
5,292,401                       08/044,009                       03/08/94
5,292,405                       07/900,051                       03/08/94
5,292,408                       07/737,608                       03/08/94
5,292,410                       07/909,726                       03/08/94
5,292,415                       08/006,487                       03/08/94
5,292,416                       07/975,314                       03/08/94
5,292,419                       07/856,880                       03/08/94
5,292,426                       07/779,471                       03/08/94
5,292,431                       07/994,323                       03/08/94
5,292,432                       07/991,544                       03/08/94
5,292,436                       07/882,516                       03/08/94
5,292,442                       07/955,007                       03/08/94
5,292,443                       07/933,621                       03/08/94
5,292,446                       07/908,616                       03/08/94
5,292,450                       07/991,143                       03/08/94
5,292,463                       07/939,790                       03/08/94
5,292,467                       08/053,478                       03/08/94
5,292,471                       08/074,714                       03/08/94
5,292,473                       08/010,007                       03/08/94
5,292,475                       07/847,519                       03/08/94
5,292,476                       07/951,381                       03/08/94
5,292,477                       07/965,149                       03/08/94
5,292,487                       07/865,040                       03/08/94
5,292,495                       08/049,959                       03/08/94
5,292,500                       07/835,920                       03/08/94
5,292,513                       07/885,301                       03/08/94
5,292,521                       07/777,272                       03/08/94
5,292,536                       07/868,503                       03/08/94
5,292,540                       08/030,794                       03/08/94
5,292,542                       07/901,533                       03/08/94
5,292,551                       07/906,076                       03/08/94
5,292,556                       07/994,821                       03/08/94
5,292,571                       07/796,863                       03/08/94
5,292,575                       07/957,079                       03/08/94
5,292,577                       07/818,912                       03/08/94
5,292,590                       07/918,535                       03/08/94
5,292,594                       07/867,641                       03/08/94
5,292,602                       08/074,597                       03/08/94
5,292,604                       07/898,010                       03/08/94
5,292,608                       08/075,300                       03/08/94
5,292,616                       07/651,362                       03/08/94
5,292,623                       07/907,973                       03/08/94
5,292,628                       08/053,456                       03/08/94
5,292,647                       07/984,078                       03/08/94
5,292,648                       08/019,385                       03/08/94
5,292,649                       07/912,655                       03/08/94
5,292,660                       07/905,820                       03/08/94
5,292,678                       07/882,735                       03/08/94
5,292,680                       08/057,883                       03/08/94
5,292,689                       07/940,427                       03/08/94
5,292,721                       07/864,391                       03/08/94
5,292,724                       07/904,506                       03/08/94
5,292,732                       07/905,584                       03/08/94
5,292,736                       08/023,452                       03/08/94
5,292,748                       08/044,168                       03/08/94
5,292,750                       07/941,792                       03/08/94
5,292,761                       07/972,120                       03/08/94
5,292,762                       07/530,770                       03/08/94
5,292,764                       07/918,152                       03/08/94
5,292,765                       07/800,148                       03/08/94
5,292,769                       07/934,059                       03/08/94
5,292,773                       07/845,157                       03/08/94
5,292,780                       07/551,203                       03/08/94
5,292,784                       07/425,703                       03/08/94
5,292,785                       07/983,108                       03/08/94
5,292,795                       07/880,946                       03/08/94
5,292,800                       07/929,025                       03/08/94
5,292,803                       07/957,008                       03/08/94
5,292,817                       08/116,429                       03/08/94
5,292,848                       07/964,946                       03/08/94
5,292,868                       08/044,875                       03/08/94
5,292,872                       07/980,711                       03/08/94
5,292,875                       08/113,725                       03/08/94
5,292,876                       07/555,223                       03/08/94
5,292,881                       07/838,129                       03/08/94
5,292,884                       07/959,999                       03/08/94
5,292,888                       08/082,704                       03/08/94
5,292,889                       07/895,961                       03/08/94
5,292,890                       08/058,012                       03/08/94
5,292,891                       07/991,551                       03/08/94
5,292,893                       07/792,229                       03/08/94
5,292,901                       07/832,220                       03/08/94
5,292,903                       07/748,380                       03/08/94
5,292,911                       07/849,576                       03/08/94
5,292,914                       08/084,174                       03/08/94
5,292,915                       07/830,854                       03/08/94
5,292,922                       07/849,063                       03/08/94
5,292,925                       08/013,990                       03/08/94
5,292,927                       07/841,944                       03/08/94
5,292,931                       08/044,212                       03/08/94
5,292,941                       07/966,155                       03/08/94
5,292,942                       08/042,115                       03/08/94
5,292,945                       08/017,550                       03/08/94
5,292,946                       07/859,595                       03/08/94
5,292,947                       07/952,228                       03/08/94
5,292,951                       08/119,296                       03/08/94
5,292,952                       07/978,888                       03/08/94
5,292,953                       08/057,199                       03/08/94
5,292,954                       07/627,982                       03/08/94
5,292,955                       07/902,157                       03/08/94
5,292,956                       07/937,784                       03/08/94
5,292,959                       07/878,370                       03/08/94
5,292,963                       07/962,264                       03/08/94
5,292,966                       08/033,110                       03/08/94
5,292,968                       08/022,101                       03/08/94
5,292,971                       08/017,687                       03/08/94
5,292,976                       08/052,964                       03/08/94
5,292,979                       07/930,596                       03/08/94
5,292,981                       07/899,537                       03/08/94
5,292,982                       07/974,550                       03/08/94
5,292,986                       07/870,983                       03/08/94
5,293,014                       07/970,831                       03/08/94
5,293,015                       07/951,761                       03/08/94
5,293,016                       08/082,323                       03/08/94
5,293,017                       07/955,172                       03/08/94
5,293,019                       07/913,360                       03/08/94
5,293,022                       07/964,721                       03/08/94
5,293,023                       08/030,537                       03/08/94
5,293,028                       07/000,426                       03/08/94
5,293,042                       07/875,358                       03/08/94
5,293,044                       07/940,682                       03/08/94
5,293,056                       07/863,758                       03/08/94
5,293,068                       07/959,613                       03/08/94
5,293,074                       07/878,657                       03/08/94
5,293,080                       07/976,683                       03/08/94
5,293,081                       07/951,620                       03/08/94
5,293,111                       07/823,752                       03/08/94
5,293,114                       07/997,262                       03/08/94
5,293,116                       07/882,246                       03/08/94
5,293,117                       07/882,810                       03/08/94
5,293,124                       07/814,625                       03/08/94
5,293,128                       07/909,059                       03/08/94
5,293,130                       07/724,655                       03/08/94
5,293,131                       07/940,627                       03/08/94
5,293,143                       07/904,052                       03/08/94
5,293,149                       07/684,693                       03/08/94
5,293,150                       07/912,278                       03/08/94
5,293,152                       07/833,151                       03/08/94
5,293,153                       07/682,566                       03/08/94
5,293,154                       07/945,462                       03/08/94
5,293,162                       07/847,378                       03/08/94
5,293,164                       07/978,360                       03/08/94
5,293,165                       07/787,864                       03/08/94
5,293,174                       07/975,963                       03/08/94
5,293,176                       07/793,657                       03/08/94
5,293,184                       07/698,093                       03/08/94
5,293,187                       07/831,561                       03/08/94
5,293,206                       07/589,175                       03/08/94
5,293,207                       08/007,259                       03/08/94
5,293,210                       07/874,252                       03/08/94
5,293,212                       07/829,143                       03/08/94
5,293,218                       07/906,903                       03/08/94
5,293,219                       07/815,258                       03/08/94
5,293,220                       07/944,984                       03/08/94
5,293,238                       07/899,250                       03/08/94
5,293,250                       07/850,969                       03/08/94
5,293,259                       07/986,508                       03/08/94
5,293,260                       07/729,306                       03/08/94
5,293,264                       07/803,188                       03/08/94
5,293,265                       07/933,650                       03/08/94
5,293,270                       08/006,788                       03/08/94
5,293,274                       08/096,859                       03/08/94
5,293,285                       07/891,778                       03/08/94
5,293,290                       07/777,799                       03/08/94
5,293,298                       07/778,416                       03/08/94
5,293,309                       07/102,417                       03/08/94
5,293,315                       07/709,861                       03/08/94
5,293,320                       07/850,732                       03/08/94
5,293,322                       07/867,082                       03/08/94
5,293,323                       07/782,191                       03/08/94
5,293,365                       08/090,985                       03/08/94
5,293,372                       07/728,586                       03/08/94
5,293,377                       07/593,824                       03/08/94
5,293,378                       07/944,295                       03/08/94
5,293,394                       07/913,664                       03/08/94
5,293,405                       07/785,488                       03/08/94
5,293,409                       07/789,224                       03/08/94
5,293,412                       07/977,716                       03/08/94
5,293,415                       07/956,203                       03/08/94
5,293,416                       07/977,055                       03/08/94
5,293,419                       07/875,422                       03/08/94
5,293,425                       07/802,121                       03/08/94
5,293,444                       07/803,998                       03/08/94
5,293,446                       07/705,746                       03/08/94
5,293,461                       07/794,953                       03/08/94
5,293,480                       08/013,488                       03/08/94
5,293,485                       08/007,023                       03/08/94
5,293,489                       08/060,719                       03/08/94
5,293,491                       07/635,896                       03/08/94
5,293,495                       07/907,756                       03/08/94
5,293,501                       07/756,012                       03/08/94
5,293,516                       07/828,539                       03/08/94
5,293,521                       07/992,011                       03/08/94
5,293,528                       07/841,380                       03/08/94
5,293,532                       07/998,258                       03/08/94
5,293,540                       07/736,319                       03/08/94
5,293,549                       07/881,768                       03/08/94
5,293,572                       07/697,242                       03/08/94
5,293,579                       07/838,605                       03/08/94
5,293,600                       07/505,814                       03/08/94
5,293,604                       07/655,947                       03/08/94
5,293,605                       07/663,872                       03/08/94
5,293,616                       07/780,203                       03/08/94
5,293,618                       07/614,088                       03/08/94
5,293,625                       07/763,182                       03/08/94
5,293,638                       07/892,916                       03/08/94
5,293,640                       07/752,510                       03/08/94

                    PATENTS WHICH EXPIRED ON March 10, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

5,724,671                       08/679,107                       03/10/98
5,724,672                       08/665,373                       03/10/98
5,724,675                       08/710,322                       03/10/98
5,724,680                       08/774,250                       03/10/98
5,724,684                       08/744,638                       03/10/98
5,724,687                       08/688,951                       03/10/98
5,724,692                       08/660,154                       03/10/98
5,724,693                       08/636,756                       03/10/98
5,724,698                       08/628,932                       03/10/98
5,724,703                       08/775,405                       03/10/98
5,724,708                       08/758,726                       03/10/98
5,724,709                       08/500,084                       03/10/98
5,724,715                       08/674,472                       03/10/98
5,724,723                       08/652,077                       03/10/98
5,724,727                       08/689,571                       03/10/98
5,724,732                       08/748,741                       03/10/98
5,724,736                       08/744,094                       03/10/98
5,724,744                       08/614,350                       03/10/98
5,724,747                       08/632,000                       03/10/98
5,724,751                       08/666,567                       03/10/98
5,724,752                       08/764,927                       03/10/98
5,724,764                       08/541,728                       03/10/98
5,724,773                       08/533,185                       03/10/98
5,724,779                       08/734,446                       03/10/98
5,724,781                       08/649,232                       03/10/98
5,724,782                       08/247,905                       03/10/98
5,724,787                       08/711,266                       03/10/98
5,724,788                       08/632,406                       03/10/98
5,724,798                       08/680,503                       03/10/98
5,724,807                       08/790,247                       03/10/98
5,724,817                       08/526,237                       03/10/98
5,724,824                       08/766,587                       03/10/98
5,724,842                       08/600,973                       03/10/98
5,724,853                       08/765,610                       03/10/98
5,724,854                       08/645,829                       03/10/98
5,724,856                       08/700,855                       03/10/98
5,724,861                       08/618,564                       03/10/98
5,724,867                       08/535,767                       03/10/98
5,724,869                       08/659,951                       03/10/98
5,724,871                       08/810,241                       03/10/98
5,724,873                       08/679,236                       03/10/98
5,724,876                       08/556,173                       03/10/98
5,724,877                       08/294,376                       03/10/98
5,724,879                       08/598,725                       03/10/98
5,724,887                       08/776,365                       03/10/98
5,724,889                       08/645,402                       03/10/98
5,724,890                       08/628,260                       03/10/98
5,724,894                       08/671,692                       03/10/98
5,724,898                       08/688,775                       03/10/98
5,724,905                       08/492,017                       03/10/98
5,724,906                       08/787,378                       03/10/98
5,724,908                       08/637,868                       03/10/98
5,724,912                       08/538,910                       03/10/98
5,724,914                       08/751,082                       03/10/98
5,724,920                       08/769,135                       03/10/98
5,724,921                       08/684,419                       03/10/98
5,724,934                       08/651,687                       03/10/98
5,724,935                       08/584,133                       03/10/98
5,724,947                       08/816,505                       03/10/98
5,724,954                       08/788,902                       03/10/98
5,724,963                       08/549,298                       03/10/98
5,724,982                       08/485,737                       03/10/98
5,724,989                       08/492,921                       03/10/98
5,724,992                       08/583,595                       03/10/98
5,724,994                       08/432,276                       03/10/98
5,725,001                       08/725,613                       03/10/98
5,725,009                       08/767,934                       03/10/98
5,725,013                       08/559,665                       03/10/98
5,725,025                       08/689,699                       03/10/98
5,725,033                       08/706,560                       03/10/98
5,725,037                       08/719,249                       03/10/98
5,725,039                       08/665,677                       03/10/98
5,725,057                       08/454,550                       03/10/98
5,725,061                       08/653,636                       03/10/98
5,725,068                       08/726,903                       03/10/98
5,725,069                       08/718,005                       03/10/98
5,725,070                       08/387,444                       03/10/98
5,725,084                       08/749,985                       03/10/98
5,725,085                       08/653,596                       03/10/98
5,725,087                       08/726,809                       03/10/98
5,725,092                       08/842,911                       03/10/98
5,725,094                       08/636,226                       03/10/98
5,725,095                       08/667,158                       03/10/98
5,725,096                       08/439,997                       03/10/98
5,725,097                       08/738,012                       03/10/98
5,725,098                       08/324,137                       03/10/98
5,725,104                       08/711,959                       03/10/98
5,725,106                       08/666,950                       03/10/98
5,725,108                       08/762,542                       03/10/98
5,725,111                       08/703,633                       03/10/98
5,725,112                       08/617,181                       03/10/98
5,725,113                       08/739,023                       03/10/98
5,725,114                       08/714,199                       03/10/98
5,725,117                       08/656,012                       03/10/98
5,725,121                       08/673,683                       03/10/98
5,725,130                       08/522,132                       03/10/98
5,725,135                       08/703,102                       03/10/98
5,725,137                       08/798,625                       03/10/98
5,725,154                       08/516,530                       03/10/98
5,725,156                       08/529,338                       03/10/98
5,725,160                       08/639,693                       03/10/98
5,725,164                       08/657,040                       03/10/98
5,725,173                       08/565,899                       03/10/98
5,725,183                       08/520,847                       03/10/98
5,725,186                       08/780,538                       03/10/98
5,725,188                       08/572,734                       03/10/98
5,725,189                       08/658,576                       03/10/98
5,725,192                       08/701,241                       03/10/98
5,725,194                       08/649,012                       03/10/98
5,725,196                       08/518,497                       03/10/98
5,725,212                       08/536,568                       03/10/98
5,725,214                       08/772,365                       03/10/98
5,725,217                       08/789,938                       03/10/98
5,725,225                       08/794,541                       03/10/98
5,725,226                       08/544,506                       03/10/98
5,725,227                       08/504,612                       03/10/98
5,725,231                       08/560,657                       03/10/98
5,725,232                       08/606,728                       03/10/98
5,725,241                       08/636,857                       03/10/98
5,725,245                       08/724,046                       03/10/98
5,725,246                       08/578,213                       03/10/98
5,725,253                       08/691,823                       03/10/98
5,725,254                       08/647,722                       03/10/98
5,725,263                       08/825,758                       03/10/98
5,725,265                       08/783,357                       03/10/98
5,725,268                       08/732,919                       03/10/98
5,725,275                       08/783,356                       03/10/98
5,725,280                       08/689,196                       03/10/98
5,725,284                       08/564,602                       03/10/98
5,725,286                       08/694,702                       03/10/98
5,725,287                       08/624,397                       03/10/98
5,725,288                       08/549,277                       03/10/98
5,725,291                       08/735,962                       03/10/98
5,725,294                       08/784,329                       03/10/98
5,725,299                       08/587,347                       03/10/98
5,725,301                       08/518,589                       03/10/98
5,725,308                       08/363,688                       03/10/98
5,725,309                       08/671,026                       03/10/98
5,725,310                       08/707,215                       03/10/98
5,725,322                       08/701,637                       03/10/98
5,725,323                       08/337,149                       03/10/98
5,725,329                       08/646,844                       03/10/98
5,725,331                       08/644,032                       03/10/98
5,725,332                       08/639,686                       03/10/98
5,725,334                       08/822,477                       03/10/98
5,725,341                       08/780,206                       03/10/98
5,725,345                       08/602,000                       03/10/98
5,725,351                       08/667,954                       03/10/98
5,725,359                       08/732,605                       03/10/98
5,725,372                       08/618,578                       03/10/98
5,725,377                       08/625,047                       03/10/98
5,725,378                       08/689,712                       03/10/98
5,725,381                       08/725,168                       03/10/98
5,725,388                       08/596,484                       03/10/98
5,725,389                       08/555,437                       03/10/98
5,725,401                       08/835,648                       03/10/98
5,725,403                       08/751,502                       03/10/98
5,725,404                       08/712,032                       03/10/98
5,725,409                       08/386,301                       03/10/98
5,725,411                       08/218,158                       03/10/98
5,725,418                       08/596,243                       03/10/98
5,725,419                       08/556,110                       03/10/98
5,725,434                       08/562,220                       03/10/98
5,725,435                       08/648,411                       03/10/98
5,725,439                       08/588,702                       03/10/98
5,725,441                       08/603,230                       03/10/98
5,725,458                       08/411,393                       03/10/98
5,725,461                       08/601,288                       03/10/98
5,725,462                       08/523,780                       03/10/98
5,725,465                       08/624,571                       03/10/98
5,725,467                       08/557,462                       03/10/98
5,725,484                       08/596,606                       03/10/98
5,725,492                       08/610,622                       03/10/98
5,725,497                       08/473,347                       03/10/98
5,725,501                       08/775,971                       03/10/98
5,725,504                       08/780,778                       03/10/98
5,725,506                       08/583,813                       03/10/98
5,725,509                       08/341,528                       03/10/98
5,725,526                       08/623,093                       03/10/98
5,725,531                       08/578,070                       03/10/98
5,725,542                       08/807,083                       03/10/98
5,725,563                       08/537,794                       03/10/98
5,725,576                       08/656,693                       03/10/98
5,725,597                       08/747,098                       03/10/98
5,725,603                       08/619,137                       03/10/98
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