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 main-
tenance 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 ap-
plicable surcharge.

                   PATENTS WHICH EXPIRED ON August 19, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

4,606,080                   06/723,887                   08/19/86
4,606,082                   06/628,607                   08/19/86
4,606,083                   06/591,303                   08/19/86
4,606,089                   06/732,450                   08/19/86
4,606,095                   06/776,844                   08/19/86
4,606,107                   06/738,341                   08/19/86
4,606,109                   06/570,487                   08/19/86
4,606,112                   06/749,820                   08/19/86
4,606,116                   06/753,836                   08/19/86
4,606,117                   06/585,284                   08/19/86
4,606,122                   06/724,084                   08/19/86
4,606,127                   06/729,390                   08/19/86
4,606,130                   06/690,128                   08/19/86
4,606,152                   06/696,708                   08/19/86
4,606,164                   06/754,608                   08/19/86
4,606,170                   06/650,176                   08/19/86
4,606,173                   06/616,676                   08/19/86
4,606,194                   06/553,368                   08/19/86
4,606,196                   06/683,572                   08/19/86
4,606,202                   06/690,838                   08/19/86
4,606,214                   06/677,098                   08/19/86
4,606,216                   06/790,550                   08/19/86
4,606,221                   06/713,734                   08/19/86
4,606,230                   06/752,752                   08/19/86
4,606,232                   06/723,820                   08/19/86
4,606,234                   06/749,516                   08/19/86
4,606,239                   06/470,921                   08/19/86
4,606,241                   06/604,938                   08/19/86
4,606,243                   06/657,544                   08/19/86
4,606,249                   06/696,404                   08/19/86
4,606,254                   06/678,007                   08/19/86
4,606,262                   06/745,954                   08/19/86
4,606,263                   06/742,455                   08/19/86
4,606,271                   06/587,051                   08/19/86
4,606,283                   06/711,590                   08/19/86
4,606,287                   06/624,595                   08/19/86
4,606,296                   06/714,955                   08/19/86
4,606,297                   06/617,411                   08/19/86
4,606,301                   06/728,090                   08/19/86
4,606,307                   06/556,989                   08/19/86
4,606,308                   06/776,493                   08/19/86
4,606,312                   06/758,078                   08/19/86
4,606,317                   06/687,891                   08/19/86
4,606,318                   06/498,326                   08/19/86
4,606,319                   06/642,057                   08/19/86
4,606,325                   06/814,002                   08/19/86
4,606,330                   06/632,302                   08/19/86
4,606,338                   06/731,185                   08/19/86
4,606,354                   06/736,562                   08/19/86
4,606,356                   06/667,395                   08/19/86
4,606,357                   06/672,800                   08/19/86
4,606,360                   06/597,268                   08/19/86
4,606,363                   06/707,048                   08/19/86
4,606,368                   06/632,843                   08/19/86
4,606,373                   06/796,249                   08/19/86
4,606,375                   06/741,085                   08/19/86
4,606,379                   06/481,034                   08/19/86
4,606,382                   06/588,856                   08/19/86
4,606,394                   06/648,609                   08/19/86
4,606,407                   06/676,376                   08/19/86
4,606,412                   06/700,164                   08/19/86
4,606,427                   06/784,357                   08/19/86
4,606,436                   06/622,915                   08/19/86
4,606,439                   06/754,367                   08/19/86
4,606,442                   06/675,618                   08/19/86
4,606,449                   06/742,424                   08/19/86
4,606,455                   06/642,066                   08/19/86
4,606,460                   06/547,818                   08/19/86
4,606,462                   06/694,671                   08/19/86
4,606,467                   06/747,577                   08/19/86
4,606,472                   06/806,979                   08/19/86
4,606,474                   06/807,166                   08/19/86
4,606,475                   06/630,580                   08/19/86
4,606,477                   06/724,534                   08/19/86
4,606,487                   06/687,584                   08/19/86
4,606,493                   06/589,549                   08/19/86
4,606,494                   06/815,631                   08/19/86
4,606,495                   06/818,899                   08/19/86
4,606,502                   06/373,501                   08/19/86
4,606,506                   06/607,180                   08/19/86
4,606,508                   06/611,852                   08/19/86
4,606,515                   06/614,819                   08/19/86
4,606,529                   06/658,708                   08/19/86
4,606,535                   06/677,110                   08/19/86
4,606,549                   06/801,422                   08/19/86
4,606,558                   06/578,889                   08/19/86
4,606,561                   06/739,864                   08/19/86
4,606,571                   06/601,328                   08/19/86
4,606,582                   06/633,718                   08/19/86
4,606,584                   06/685,875                   08/19/86
4,606,589                   06/570,065                   08/19/86
4,606,591                   06/712,837                   08/19/86
4,606,594                   06/725,695                   08/19/86
4,606,595                   06/603,803                   08/19/86
4,606,602                   06/445,995                   08/19/86
4,606,620                   06/787,839                   08/19/86
4,606,623                   06/316,665                   08/19/86
4,606,639                   06/682,721                   08/19/86
4,606,642                   06/614,333                   08/19/86
4,606,646                   06/709,893                   08/19/86
4,606,647                   06/641,747                   08/19/86
4,606,649                   06/690,946                   08/19/86
4,606,659                   06/718,548                   08/19/86
4,606,661                   06/607,551                   08/19/86
4,606,662                   06/696,990                   08/19/86
4,606,673                   06/680,361                   08/19/86
4,606,677                   06/550,565                   08/19/86
4,606,683                   06/693,922                   08/19/86
4,606,689                   06/752,469                   08/19/86
4,606,694                   06/455,766                   08/19/86
4,606,696                   06/624,256                   08/19/86
4,606,708                   06/750,581                   08/19/86
4,606,722                   06/683,138                   08/19/86
4,606,724                   06/556,117                   08/19/86
4,606,725                   06/790,465                   08/19/86
4,606,727                   06/679,563                   08/19/86
4,606,731                   06/625,031                   08/19/86
4,606,734                   06/582,249                   08/19/86
4,606,738                   06/479,118                   08/19/86
4,606,740                   06/723,397                   08/19/86
4,606,745                   06/738,589                   08/19/86
4,606,748                   06/659,586                   08/19/86
4,606,749                   06/780,688                   08/19/86
4,606,753                   06/621,011                   08/19/86
4,606,754                   06/677,600                   08/19/86
4,606,755                   06/685,026                   08/19/86
4,606,762                   06/715,874                   08/19/86
4,606,766                   06/707,993                   08/19/86
4,606,768                   06/755,282                   08/19/86
4,606,785                   06/671,830                   08/19/86
4,606,789                   06/574,153                   08/19/86
4,606,791                   06/667,726                   08/19/86
4,606,800                   06/534,011                   08/19/86
4,606,803                   06/665,278                   08/19/86
4,606,808                   06/603,203                   08/19/86
4,606,811                   06/656,832                   08/19/86
4,606,823                   06/548,452                   08/19/86
4,606,839                   06/696,496                   08/19/86
4,606,843                   06/694,580                   08/19/86
4,606,860                   06/675,580                   08/19/86
4,606,862                   06/714,318                   08/19/86
4,606,863                   06/616,049                   08/19/86
4,606,864                   06/697,554                   08/19/86
4,606,870                   06/764,810                   08/19/86
4,606,876                   06/661,279                   08/19/86
4,606,879                   06/706,517                   08/19/86
4,606,881                   06/442,213                   08/19/86
4,606,884                   06/627,664                   08/19/86
4,606,888                   06/646,879                   08/19/86
4,606,893                   06/680,625                   08/19/86
4,606,899                   06/716,426                   08/19/86
4,606,904                   06/796,925                   08/19/86
4,606,907                   06/626,816                   08/19/86
4,606,908                   06/538,852                   08/19/86
4,606,909                   06/622,393                   08/19/86
4,606,923                   06/776,568                   08/19/86
4,606,924                   06/680,744                   08/19/86
4,606,925                   06/446,933                   08/19/86
4,606,930                   06/704,760                   08/19/86
4,606,931                   06/508,210                   08/19/86
4,606,935                   06/786,194                   08/19/86
4,606,939                   06/621,133                   08/19/86
4,606,947                   06/657,757                   08/19/86
4,606,948                   06/736,046                   08/19/86
4,606,954                   06/778,073                   08/19/86
4,606,979                   06/782,909                   08/19/86
4,606,989                   06/776,860                   08/19/86
4,607,007                   06/482,752                   08/19/86
4,607,009                   06/532,891                   08/19/86
4,607,014                   06/507,827                   08/19/86
4,607,024                   06/658,493                   08/19/86
4,607,026                   06/427,887                   08/19/86
4,607,032                   06/604,347                   08/19/86
4,607,036                   06/768,938                   08/19/86
4,607,047                   06/638,403                   08/19/86
4,607,048                   06/734,507                   08/19/86
4,607,049                   06/725,978                   08/19/86
4,607,053                   06/719,935                   08/19/86
4,607,057                   06/630,575                   08/19/86
4,607,061                   06/643,966                   08/19/86
4,607,062                   06/764,470                   08/19/86
4,607,063                   06/764,032                   08/19/86
4,607,072                   06/729,764                   08/19/86
4,607,076                   06/688,236                   08/19/86
4,607,079                   06/747,784                   08/19/86
4,607,085                   06/677,167                   08/19/86
4,607,093                   06/720,778                   08/19/86
4,607,103                   06/765,305                   08/19/86
4,607,105                   06/656,794                   08/19/86
4,607,108                   06/623,800                   08/19/86
4,607,111                   06/736,904                   08/19/86
4,607,116                   06/587,376                   08/19/86
4,607,126                   06/682,019                   08/19/86
4,607,133                   06/714,764                   08/19/86
4,607,137                   06/600,050                   08/19/86
4,607,150                   06/606,791                   08/19/86
4,607,153                   06/701,908                   08/19/86
4,607,157                   06/578,399                   08/19/86
4,607,159                   06/566,098                   08/19/86
4,607,165                   06/618,580                   08/19/86
4,607,177                   06/491,985                   08/19/86
4,607,180                   06/551,630                   08/19/86
4,607,188                   06/719,616                   08/19/86
4,607,190                   06/666,810                   08/19/86
4,607,193                   06/659,475                   08/19/86
4,607,201                   06/769,875                   08/19/86
4,607,210                   06/526,536                   08/19/86
4,607,226                   06/670,642                   08/19/86
4,607,227                   06/572,718                   08/19/86
4,607,231                   06/742,156                   08/19/86
4,607,233                   06/706,375                   08/19/86
4,607,239                   06/707,107                   08/19/86
4,607,243                   06/653,373                   08/19/86
4,607,245                   06/699,127                   08/19/86
4,607,248                   06/516,765                   08/19/86
4,607,249                   06/732,162                   08/19/86
4,607,250                   06/732,229                   08/19/86
4,607,261                   06/722,548                   08/19/86
4,607,262                   06/569,705                   08/19/86
4,607,272                   06/539,367                   08/19/86
4,607,273                   06/689,039                   08/19/86
4,607,277                   06/637,653                   08/19/86
4,607,279                   06/555,865                   08/19/86
4,607,280                   06/647,845                   08/19/86
4,607,283                   06/593,341                   08/19/86
4,607,292                   06/480,790                   08/19/86
4,607,298                   06/699,628                   08/19/86
4,607,301                   06/540,362                   08/19/86
4,607,304                   06/400,757                   08/19/86
4,607,305                   06/464,831                   08/19/86
4,607,318                   06/681,211                   08/19/86
4,607,321                   06/787,716                   08/19/86
4,607,324                   06/581,400                   08/19/86
4,607,326                   06/582,713                   08/19/86
4,607,328                   06/410,911                   08/19/86
4,607,329                   06/581,273                   08/19/86
4,607,340                   06/674,074                   08/19/86
4,607,342                   06/463,526                   08/19/86
4,607,343                   06/555,245                   08/19/86
4,607,349                   06/514,668                   08/19/86
4,607,351                   06/691,022                   08/19/86
4,607,352                   06/523,821                   08/19/86
4,607,359                   06/575,045                   08/19/86
4,607,361                   06/766,666                   08/19/86
4,607,362                   06/642,621                   08/19/86
4,607,363                   06/735,512                   08/19/86
4,607,373                   06/673,037                   08/19/86
4,607,374                   06/634,832                   08/19/86
4,607,376                   06/671,776                   08/19/86
4,607,377                   06/603,818                   08/19/86
4,607,378                   06/663,513                   08/19/86
4,607,380                   06/623,903                   08/19/86
4,607,381                   06/657,815                   08/19/86
4,607,386                   06/657,196                   08/19/86
4,607,387                   06/462,879                   08/19/86
4,607,389                   06/576,584                   08/19/86
4,607,393                   06/655,963                   08/19/86

                   PATENTS WHICH EXPIRED ON August 14, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

4,947,492                   07/182,163                   08/14/90
4,947,494                   07/200,048                   08/14/90
4,947,495                   07/359,265                   08/14/90
4,947,501                   07/228,013                   08/14/90
4,947,505                   07/308,403                   08/14/90
4,947,509                   07/320,321                   08/14/90
4,947,510                   07/342,273                   08/14/90
4,947,513                   07/174,552                   08/14/90
4,947,517                   07/296,158                   08/14/90
4,947,521                   07/409,365                   08/14/90
4,947,523                   07/403,464                   08/14/90
4,947,527                   07/327,704                   08/14/90
4,947,537                   07/373,255                   08/14/90
4,947,554                   07/299,769                   08/14/90
4,947,555                   07/310,050                   08/14/90
4,947,558                   07/388,970                   08/14/90
4,947,563                   07/481,635                   08/14/90
4,947,564                   07/354,807                   08/14/90
4,947,565                   07/307,350                   08/14/90
4,947,572                   07/392,550                   08/14/90
4,947,582                   07/379,255                   08/14/90
4,947,585                   07/268,096                   08/14/90
4,947,590                   07/256,685                   08/14/90
4,947,599                   07/356,441                   08/14/90
4,947,609                   07/377,483                   08/14/90
4,947,614                   07/271,726                   08/14/90
4,947,615                   07/395,344                   08/14/90
4,947,618                   07/247,873                   08/14/90
4,947,625                   07/270,932                   08/14/90
4,947,632                   07/315,571                   08/14/90
4,947,633                   07/311,731                   08/14/90
4,947,638                   07/450,106                   08/14/90
4,947,646                   07/240,036                   08/14/90
4,947,647                   07/460,821                   08/14/90
4,947,649                   07/337,518                   08/14/90
4,947,650                   07/404,655                   08/14/90
4,947,656                   07/376,495                   08/14/90
4,947,658                   07/397,007                   08/14/90
4,947,660                   07/416,597                   08/14/90
4,947,688                   07/394,415                   08/14/90
4,947,691                   07/339,104                   08/14/90
4,947,695                   07/452,624                   08/14/90
4,947,703                   07/375,900                   08/14/90
4,947,709                   07/267,013                   08/14/90
4,947,726                   07/176,328                   08/14/90
4,947,729                   07/367,551                   08/14/90
4,947,730                   07/320,872                   08/14/90
4,947,734                   07/180,169                   08/14/90
4,947,736                   07/363,776                   08/14/90
4,947,738                   07/236,538                   08/14/90
4,947,739                   07/311,769                   08/14/90
4,947,740                   07/481,573                   08/14/90
4,947,742                   07/379,984                   08/14/90
4,947,745                   07/288,089                   08/14/90
4,947,749                   07/410,720                   08/14/90
4,947,750                   07/410,604                   08/14/90
4,947,751                   07/305,922                   08/14/90
4,947,753                   07/379,648                   08/14/90
4,947,758                   07/362,828                   08/14/90
4,947,765                   07/343,007                   08/14/90
4,947,766                   07/367,373                   08/14/90
4,947,772                   07/266,384                   08/14/90
4,947,773                   07/384,170                   08/14/90
4,947,775                   07/192,934                   08/14/90
4,947,779                   07/345,974                   08/14/90
4,947,785                   07/290,989                   08/14/90
4,947,788                   07/258,938                   08/14/90
4,947,790                   07/295,716                   08/14/90
4,947,798                   07/370,639                   08/14/90
4,947,808                   07/290,587                   08/14/90
4,947,817                   07/296,815                   08/14/90
4,947,818                   07/330,319                   08/14/90
4,947,825                   07/405,165                   08/14/90
4,947,829                   07/192,334                   08/14/90
4,947,835                   07/333,395                   08/14/90
4,947,845                   07/297,506                   08/14/90
4,947,851                   07/234,330                   08/14/90
4,947,869                   07/468,202                   08/14/90
4,947,870                   07/161,113                   08/14/90
4,947,879                   07/334,323                   08/14/90
4,947,885                   07/386,545                   08/14/90
4,947,886                   07/427,255                   08/14/90
4,947,892                   07/416,586                   08/14/90
4,947,900                   07/334,541                   08/14/90
4,947,903                   07/261,170                   08/14/90
4,947,912                   07/203,246                   08/14/90
4,947,915                   07/269,540                   08/14/90
4,947,922                   07/307,789                   08/14/90
4,947,924                   07/317,086                   08/14/90
4,947,932                   07/413,030                   08/14/90
4,947,933                   07/292,845                   08/14/90
4,947,936                   07/366,565                   08/14/90
4,947,942                   07/304,567                   08/14/90
4,947,943                   07/307,319                   08/14/90
4,947,947                   07/441,242                   08/14/90
4,947,959                   07/323,392                   08/14/90
4,947,961                   07/443,128                   08/14/90
4,947,964                   07/322,959                   08/14/90
4,947,966                   07/335,968                   08/14/90
4,947,967                   07/265,445                   08/14/90
4,947,968                   07/345,788                   08/14/90
4,947,981                   07/337,652                   08/14/90
4,947,982                   06/810,845                   08/14/90
4,947,983                   07/357,327                   08/14/90
4,947,987                   07/383,638                   08/14/90
4,947,992                   07/327,336                   08/14/90
4,947,996                   07/191,686                   08/14/90
4,948,023                   07/278,815                   08/14/90
4,948,026                   07/340,123                   08/14/90
4,948,031                   07/147,021                   08/14/90
4,948,034                   07/415,198                   08/14/90
4,948,042                   07/384,403                   08/14/90
4,948,043                   07/383,260                   08/14/90
4,948,044                   07/396,522                   08/14/90
4,948,046                   07/356,464                   08/14/90
4,948,050                   07/306,425                   08/14/90
4,948,051                   07/344,430                   08/14/90
4,948,056                   07/300,308                   08/14/90
4,948,058                   07/384,553                   08/14/90
4,948,060                   07/243,521                   08/14/90
4,948,061                   07/238,033                   08/14/90
4,948,067                   07/446,201                   08/14/90
4,948,069                   07/392,583                   08/14/90
4,948,070                   07/043,154                   08/14/90
4,948,076                   07/392,584                   08/14/90
4,948,078                   07/402,063                   08/14/90
4,948,079                   07/264,880                   08/14/90
4,948,081                   07/388,881                   08/14/90
4,948,082                   07/375,041                   08/14/90
4,948,085                   07/284,914                   08/14/90
4,948,086                   07/436,074                   08/14/90
4,948,090                   07/413,226                   08/14/90
4,948,091                   07/481,049                   08/14/90
4,948,092                   07/489,965                   08/14/90
4,948,099                   07/333,110                   08/14/90
4,948,105                   07/265,224                   08/14/90
4,948,110                   07/440,663                   08/14/90
4,948,119                   07/031,756                   08/14/90
4,948,121                   07/318,533                   08/14/90
4,948,122                   07/383,415                   08/14/90
4,948,127                   07/165,925                   08/14/90
4,948,133                   07/362,928                   08/14/90
4,948,135                   07/312,623                   08/14/90
4,948,137                   07/354,381                   08/14/90
4,948,144                   07/299,579                   08/14/90
4,948,155                   07/306,781                   08/14/90
4,948,156                   07/323,566                   08/14/90
4,948,159                   07/298,417                   08/14/90
4,948,166                   07/275,985                   08/14/90
4,948,167                   07/426,218                   08/14/90
4,948,169                   07/403,392                   08/14/90
4,948,172                   07/297,963                   08/14/90
4,948,179                   07/380,395                   08/14/90
4,948,181                   07/319,122                   08/14/90
4,948,185                   07/396,138                   08/14/90
4,948,186                   07/384,569                   08/14/90
4,948,194                   07/378,146                   08/14/90
4,948,195                   07/392,593                   08/14/90
4,948,196                   07/208,598                   08/14/90
4,948,199                   07/297,765                   08/14/90
4,948,200                   07/339,110                   08/14/90
4,948,205                   07/320,701                   08/14/90
4,948,206                   07/279,017                   08/14/90
4,948,207                   07/426,587                   08/14/90
4,948,208                   07/310,209                   08/14/90
4,948,209                   07/304,620                   08/14/90
4,948,210                   07/208,457                   08/14/90
4,948,224                   07/317,208                   08/14/90
4,948,225                   07/419,984                   08/14/90
4,948,226                   07/313,417                   08/14/90
4,948,228                   07/239,993                   08/14/90
4,948,231                   07/300,688                   08/14/90
4,948,234                   07/437,163                   08/14/90
4,948,240                   07/225,254                   08/14/90
4,948,241                   07/167,247                   08/14/90
4,948,242                   07/325,679                   08/14/90
4,948,244                   07/373,251                   08/14/90
4,948,258                   07/211,586                   08/14/90
4,948,259                   07/373,883                   08/14/90
4,948,261                   07/365,389                   08/14/90
4,948,269                   07/378,050                   08/14/90
4,948,275                   07/344,227                   08/14/90
4,948,282                   06/813,584                   08/14/90
4,948,289                   07/319,715                   08/14/90
4,948,293                   07/238,139                   08/14/90
4,948,295                   07/277,456                   08/14/90
4,948,297                   07/383,666                   08/14/90
4,948,300                   07/194,452                   08/14/90
4,948,307                   07/337,322                   08/14/90
4,948,322                   07/302,762                   08/14/90
4,948,324                   07/366,789                   08/14/90
4,948,326                   07/312,315                   08/14/90
4,948,327                   07/250,702                   08/14/90
4,948,331                   07/387,204                   08/14/90
4,948,339                   07/299,930                   08/14/90
4,948,346                   07/353,758                   08/14/90
4,948,349                   07/247,869                   08/14/90
4,948,351                   07/323,957                   08/14/90
4,948,355                   07/233,639                   08/14/90
4,948,359                   07/131,510                   08/14/90
4,948,360                   07/398,306                   08/14/90
4,948,364                   07/243,136                   08/14/90
4,948,365                   07/357,371                   08/14/90
4,948,366                   07/390,426                   08/14/90
4,948,376                   07/413,353                   08/14/90
4,948,380                   07/416,294                   08/14/90
4,948,386                   07/267,947                   08/14/90
4,948,390                   07/241,961                   08/14/90
4,948,393                   07/376,728                   08/14/90
4,948,397                   07/383,294                   08/14/90
4,948,416                   07/328,684                   08/14/90
4,948,417                   07/212,835                   08/14/90
4,948,419                   07/310,385                   08/14/90
4,948,424                   07/438,514                   08/14/90
4,948,432                   07/267,384                   08/14/90
4,948,448                   07/275,976                   08/14/90
4,948,450                   07/253,904                   08/14/90
4,948,454                   07/344,898                   08/14/90
4,948,457                   07/373,492                   08/14/90
4,948,460                   07/409,946                   08/14/90
4,948,469                   07/279,918                   08/14/90
4,948,471                   07/387,814                   08/14/90
4,948,474                   07/401,557                   08/14/90
4,948,478                   07/353,495                   08/14/90
4,948,481                   07/398,434                   08/14/90
4,948,487                   07/441,886                   08/14/90
4,948,495                   07/224,414                   08/14/90
4,948,497                   07/195,203                   08/14/90
4,948,506                   07/272,213                   08/14/90
4,948,508                   07/341,217                   08/14/90
4,948,512                   07/318,611                   08/14/90
4,948,516                   07/396,420                   08/14/90
4,948,524                   07/395,627                   08/14/90
4,948,526                   07/412,752                   08/14/90
4,948,533                   07/312,337                   08/14/90
4,948,534                   07/423,555                   08/14/90
4,948,538                   07/255,564                   08/14/90
4,948,541                   07/263,180                   08/14/90
4,948,544                   07/223,973                   08/14/90
4,948,545                   07/418,992                   08/14/90
4,948,548                   07/317,843                   08/14/90
4,948,552                   07/119,275                   08/14/90
4,948,554                   07/294,095                   08/14/90
4,948,555                   07/257,914                   08/14/90
4,948,558                   07/184,654                   08/14/90
4,948,561                   07/308,842                   08/14/90
4,948,564                   07/430,812                   08/14/90
4,948,568                   07/289,323                   08/14/90
4,948,575                   07/301,312                   08/14/90
4,948,586                   07/233,522                   08/14/90
4,948,591                   07/344,985                   08/14/90
4,948,600                   07/306,555                   08/14/90
4,948,602                   07/261,163                   08/14/90
4,948,610                   07/317,848                   08/14/90
4,948,615                   07/329,219                   08/14/90
4,948,619                   07/342,880                   08/14/90
4,948,622                   07/224,772                   08/14/90
4,948,629                   07/309,521                   08/14/90
4,948,634                   07/355,920                   08/14/90
4,948,638                   07/398,059                   08/14/90
4,948,644                   07/393,419                   08/14/90
4,948,648                   07/448,611                   08/14/90
4,948,654                   07/317,878                   08/14/90
4,948,655                   07/135,125                   08/14/90
4,948,656                   07/375,237                   08/14/90
4,948,660                   07/304,561                   08/14/90
4,948,663                   07/084,592                   08/14/90
4,948,667                   07/026,620                   08/14/90
4,948,670                   07/332,434                   08/14/90
4,948,673                   07/180,516                   08/14/90
4,948,675                   07/353,994                   08/14/90
4,948,680                   07/196,498                   08/14/90
4,948,682                   07/314,989                   08/14/90
4,948,683                   07/386,652                   08/14/90
4,948,687                   07/292,044                   08/14/90
4,948,689                   07/368,543                   08/14/90
4,948,703                   07/363,756                   08/14/90
4,948,705                   07/294,406                   08/14/90
4,948,706                   07/291,151                   08/14/90
4,948,708                   07/249,027                   08/14/90
4,948,709                   07/343,908                   08/14/90
4,948,714                   07/396,837                   08/14/90
4,948,721                   07/385,044                   08/14/90
4,948,725                   07/131,071                   08/14/90
4,948,726                   07/311,222                   08/14/90
4,948,738                   07/380,760                   08/14/90
4,948,741                   07/315,449                   08/14/90
4,948,750                   07/322,117                   08/14/90
4,948,758                   07/456,803                   08/14/90
4,948,760                   07/403,052                   08/14/90
4,948,771                   07/280,981                   08/14/90
4,948,773                   07/310,232                   08/14/90
4,948,774                   07/376,069                   08/14/90
4,948,781                   06/461,080                   08/14/90
4,948,783                   07/275,625                   08/14/90
4,948,799                   07/293,440                   08/14/90
4,948,802                   07/180,135                   08/14/90
4,948,804                   07/211,287                   08/14/90
4,948,814                   07/248,820                   08/14/90
4,948,820                   07/302,191                   08/14/90
4,948,832                   07/281,755                   08/14/90
4,948,833                   07/352,893                   08/14/90
4,948,836                   07/270,280                   08/14/90
4,948,837                   07/266,784                   08/14/90
4,948,846                   07/292,884                   08/14/90
4,948,848                   07/334,405                   08/14/90
4,948,850                   07/461,424                   08/14/90
4,948,857                   07/184,728                   08/14/90
4,948,864                   07/400,143                   08/14/90
4,948,878                   07/324,973                   08/14/90
4,948,881                   07/302,147                   08/14/90
4,948,883                   07/430,059                   08/14/90
4,948,885                   07/370,520                   08/14/90
4,948,891                   07/391,756                   08/14/90
4,948,892                   07/310,684                   08/14/90
4,948,896                   07/215,761                   08/14/90
4,948,901                   07/391,764                   08/14/90
4,948,904                   07/284,221                   08/14/90
4,948,910                   07/206,260                   08/14/90
4,948,917                   07/479,660                   08/14/90
4,948,921                   07/373,345                   08/14/90
4,948,929                   07/404,858                   08/14/90
4,948,931                   07/340,141                   08/14/90
4,948,934                   07/345,087                   08/14/90
4,948,937                   07/289,353                   08/14/90
4,948,939                   07/438,101                   08/14/90
4,948,943                   07/281,227                   08/14/90
4,948,950                   07/343,015                   08/14/90
4,948,957                   07/331,194                   08/14/90
4,948,960                   07/247,042                   08/14/90
4,948,967                   07/449,426                   08/14/90
4,948,968                   07/374,918                   08/14/90
4,948,973                   06/797,284                   08/14/90
4,948,976                   07/308,409                   08/14/90
4,948,977                   07/108,084                   08/14/90
4,948,980                   07/383,322                   08/14/90
4,948,983                   07/471,008                   08/14/90
4,948,984                   07/328,587                   08/14/90
4,948,990                   07/292,883                   08/14/90
4,948,992                   07/265,113                   08/14/90
4,948,994                   07/254,568                   08/14/90
4,948,998                   07/295,723                   08/14/90
4,948,999                   07/318,507                   08/14/90
4,949,011                   07/330,656                   08/14/90
4,949,014                   07/305,316                   08/14/90
4,949,023                   07/263,235                   08/14/90
4,949,024                   07/392,921                   08/14/90
4,949,031                   07/177,749                   08/14/90
4,949,062                   07/344,718                   08/14/90
4,949,063                   07/344,717                   08/14/90
4,949,069                   07/269,122                   08/14/90
4,949,070                   07/298,680                   08/14/90
4,949,072                   07/283,993                   08/14/90
4,949,078                   07/282,275                   08/14/90
4,949,081                   07/282,148                   08/14/90
4,949,084                   07/259,496                   08/14/90
4,949,088                   07/396,372                   08/14/90
4,949,110                   07/367,723                   08/14/90
4,949,111                   07/405,257                   08/14/90
4,949,112                   07/400,383                   08/14/90
4,949,123                   07/317,564                   08/14/90
4,949,126                   07/330,662                   08/14/90
4,949,129                   07/375,105                   08/14/90
4,949,141                   07/367,889                   08/14/90
4,949,148                   07/295,729                   08/14/90
4,949,156                   07/154,588                   08/14/90
4,949,159                   07/228,365                   08/14/90
4,949,162                   07/201,928                   08/14/90
4,949,170                   07/321,139                   08/14/90
4,949,175                   07/381,904                   08/14/90
4,949,179                   07/350,877                   08/14/90
4,949,180                   07/253,395                   08/14/90
4,949,191                   07/358,818                   08/14/90
4,949,196                   07/175,171                   08/14/90
4,949,198                   07/257,133                   08/14/90
4,949,215                   07/237,289                   08/14/90
4,949,221                   07/306,009                   08/14/90
4,949,222                   07/396,930                   08/14/90
4,949,226                   07/369,995                   08/14/90
4,949,230                   07/381,845                   08/14/90
4,949,232                   07/448,516                   08/14/90
4,949,243                   07/124,116                   08/14/90
4,949,260                   07/292,995                   08/14/90
4,949,263                   07/220,598                   08/14/90
4,949,268                   07/247,537                   08/14/90
4,949,271                   07/265,797                   08/14/90
4,949,284                   07/134,696                   08/14/90
4,949,287                   07/367,436                   08/14/90
4,949,288                   07/239,773                   08/14/90
4,949,295                   07/220,768                   08/14/90
4,949,302                   06/931,109                   08/14/90
4,949,328                   07/231,637                   08/14/90
4,949,329                   07/300,861                   08/14/90
4,949,335                   07/300,673                   08/14/90
4,949,342                   07/180,063                   08/14/90
4,949,344                   07/368,618                   08/14/90
4,949,347                   07/306,813                   08/14/90
4,949,348                   07/398,585                   08/14/90
4,949,351                   07/337,095                   08/14/90
4,949,354                   07/033,145                   08/14/90
4,949,357                   07/323,411                   08/14/90
4,949,360                   07/390,796                   08/14/90
4,949,365                   07/312,343                   08/14/90
4,949,367                   07/330,242                   08/14/90
4,949,369                   07/279,922                   08/14/90
4,949,371                   07/263,185                   08/14/90
4,949,387                   07/363,519                   08/14/90
4,949,391                   07/048,100                   08/14/90
4,949,392                   07/196,513                   08/14/90
4,949,396                   07/261,208                   08/14/90
4,949,399                   07/349,476                   08/14/90

                   PATENTS WHICH EXPIRED ON August 16, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

5,337,418                   08/064,338                   08/16/94
5,337,419                   07/950,821                   08/16/94
5,337,420                   07/970,618                   08/16/94
5,337,421                   08/027,379                   08/16/94
5,337,425                   07/829,439                   08/16/94
5,337,430                   08/054,404                   08/16/94
5,337,432                   07/854,997                   08/16/94
5,337,433                   08/018,980                   08/16/94
5,337,434                   08/045,897                   08/16/94
5,337,436                   07/854,679                   08/16/94
5,337,439                   07/798,087                   08/16/94
5,337,441                   08/015,801                   08/16/94
5,337,442                   07/982,608                   08/16/94
5,337,449                   08/033,093                   08/16/94
5,337,450                   07/982,637                   08/16/94
5,337,453                   08/008,900                   08/16/94
5,337,455                   08/030,434                   08/16/94
5,337,457                   08/027,456                   08/16/94
5,337,458                   08/094,333                   08/16/94
5,337,461                   07/956,011                   08/16/94
5,337,462                   08/125,295                   08/16/94
5,337,468                   07/949,384                   08/16/94
5,337,471                   08/064,204                   08/16/94
5,337,477                   08/095,099                   08/16/94
5,337,480                   08/058,944                   08/16/94
5,337,483                   08/054,724                   08/16/94
5,337,487                   08/037,346                   08/16/94
5,337,489                   08/034,203                   08/16/94
5,337,502                   07/982,780                   08/16/94
5,337,505                   08/024,366                   08/16/94
5,337,511                   08/196,505                   08/16/94
5,337,513                   07/930,748                   08/16/94
5,337,521                   07/967,228                   08/16/94
5,337,522                   07/977,619                   08/16/94
5,337,524                   07/993,729                   08/16/94
5,337,525                   08/001,449                   08/16/94
5,337,529                   08/096,668                   08/16/94
5,337,531                   07/959,923                   08/16/94
5,337,535                   07/886,749                   08/16/94
5,337,539                   07/935,155                   08/16/94
5,337,541                   07/927,514                   08/16/94
5,337,545                   08/047,802                   08/16/94
5,337,547                   07/421,537                   08/16/94
5,337,559                   08/026,739                   08/16/94
5,337,560                   07/862,502                   08/16/94
5,337,562                   07/784,418                   08/16/94
5,337,563                   08/058,603                   08/16/94
5,337,566                   08/033,003                   08/16/94
5,337,575                   07/930,626                   08/16/94
5,337,576                   07/997,316                   08/16/94
5,337,578                   08/019,786                   08/16/94
5,337,584                   07/971,935                   08/16/94
5,337,594                   07/809,491                   08/16/94
5,337,597                   07/840,097                   08/16/94
5,337,598                   07/822,622                   08/16/94
5,337,600                   08/044,075                   08/16/94
5,337,602                   07/934,727                   08/16/94
5,337,610                   08/027,092                   08/16/94
5,337,611                   07/986,153                   08/16/94
5,337,613                   07/937,378                   08/16/94
5,337,616                   08/014,802                   08/16/94
5,337,622                   07/714,972                   08/16/94
5,337,632                   08/083,917                   08/16/94
5,337,634                   08/040,350                   08/16/94
5,337,636                   08/047,645                   08/16/94
5,337,643                   08/082,386                   08/16/94
5,337,645                   07/969,341                   08/16/94
5,337,646                   08/005,888                   08/16/94
5,337,652                   07/915,438                   08/16/94
5,337,654                   07/875,994                   08/16/94
5,337,656                   08/057,580                   08/16/94
5,337,661                   08/055,588                   08/16/94
5,337,670                   08/178,423                   08/16/94
5,337,673                   08/169,442                   08/16/94
5,337,680                   08/121,612                   08/16/94
5,337,684                   07/967,156                   08/16/94
5,337,685                   08/085,280                   08/16/94
5,337,687                   07/838,785                   08/16/94
5,337,689                   08/074,118                   08/16/94
5,337,690                   08/093,050                   08/16/94
5,337,697                   08/115,121                   08/16/94
5,337,698                   08/029,600                   08/16/94
5,337,700                   08/154,082                   08/16/94
5,337,705                   08/087,604                   08/16/94
5,337,710                   08/061,048                   08/16/94
5,337,714                   08/116,189                   08/16/94
5,337,718                   08/160,611                   08/16/94
5,337,720                   08/030,237                   08/16/94
5,337,726                   07/958,227                   08/16/94
5,337,729                   07/978,431                   08/16/94
5,337,737                   08/068,593                   08/16/94
5,337,746                   07/651,236                   08/16/94
5,337,750                   07/922,201                   08/16/94
5,337,757                   08/019,643                   08/16/94
5,337,764                   07/936,036                   08/16/94
5,337,765                   08/013,304                   08/16/94
5,337,766                   08/116,577                   08/16/94
5,337,769                   08/097,081                   08/16/94
5,337,777                   08/055,993                   08/16/94
5,337,785                   08/088,479                   08/16/94
5,337,789                   08/050,026                   08/16/94
5,337,798                   08/043,342                   08/16/94
5,337,800                   07/943,405                   08/16/94
5,337,803                   08/067,505                   08/16/94
5,337,809                   08/004,283                   08/16/94
5,337,810                   08/187,864                   08/16/94
5,337,811                   07/925,275                   08/16/94
5,337,817                   07/942,742                   08/16/94
5,337,818                   08/082,463                   08/16/94
5,337,825                   08/072,454                   08/16/94
5,337,834                   07/914,460                   08/16/94
5,337,836                   08/077,937                   08/16/94
5,337,851                   08/018,695                   08/16/94
5,337,854                   07/854,347                   08/16/94
5,337,855                   08/062,912                   08/16/94
5,337,856                   08/091,124                   08/16/94
5,337,857                   08/097,684                   08/16/94
5,337,861                   08/078,345                   08/16/94
5,337,875                   08/044,471                   08/16/94
5,337,876                   08/055,721                   08/16/94
5,337,878                   08/174,115                   08/16/94
5,337,890                   08/108,343                   08/16/94
5,337,891                   07/991,312                   08/16/94
5,337,892                   08/024,615                   08/16/94
5,337,895                   07/985,614                   08/16/94
5,337,898                   08/051,240                   08/16/94
5,337,904                   08/061,747                   08/16/94
5,337,906                   08/049,368                   08/16/94
5,337,908                   08/092,710                   08/16/94
5,337,921                   08/062,887                   08/16/94
5,337,930                   07/946,668                   08/16/94
5,337,931                   08/057,351                   08/16/94
5,337,932                   07/897,696                   08/16/94
5,337,933                   08/002,899                   08/16/94
5,337,934                   07/900,615                   08/16/94
5,337,936                   08/069,746                   08/16/94
5,337,938                   07/928,738                   08/16/94
5,337,939                   08/115,933                   08/16/94
5,337,945                   07/976,173                   08/16/94
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