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 November 4, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

4,620,322                   06/450,382                   11/04/86
4,620,334                   06/408,245                   11/04/86
4,620,340                   06/727,829                   11/04/86
4,620,342                   06/760,733                   11/04/86
4,620,377                   06/737,020                   11/04/86
4,620,378                   06/737,001                   11/04/86
4,620,379                   06/741,062                   11/04/86
4,620,382                   06/617,820                   11/04/86
4,620,390                   06/659,946                   11/04/86
4,620,392                   06/604,483                   11/04/86
4,620,398                   06/676,302                   11/04/86
4,620,400                   06/654,531                   11/04/86
4,620,402                   06/693,639                   11/04/86
4,620,415                   06/536,987                   11/04/86
4,620,419                   06/732,723                   11/04/86
4,620,422                   06/757,855                   11/04/86
4,620,438                   06/561,842                   11/04/86
4,620,443                   06/681,229                   11/04/86
4,620,446                   06/687,943                   11/04/86
4,620,454                   06/778,672                   11/04/86
4,620,458                   06/736,759                   11/04/86
4,620,478                   06/690,592                   11/04/86
4,620,485                   06/667,546                   11/04/86
4,620,487                   06/583,647                   11/04/86
4,620,488                   06/758,364                   11/04/86
4,620,491                   06/726,392                   11/04/86
4,620,496                   06/699,864                   11/04/86
4,620,497                   06/664,883                   11/04/86
4,620,507                   06/353,386                   11/04/86
4,620,516                   06/704,135                   11/04/86
4,620,518                   06/813,117                   11/04/86
4,620,519                   06/678,587                   11/04/86
4,620,522                   06/786,367                   11/04/86
4,620,531                   06/545,638                   11/04/86
4,620,538                   06/713,666                   11/04/86
4,620,539                   06/512,175                   11/04/86
4,620,540                   06/788,346                   11/04/86
4,620,543                   06/620,870                   11/04/86
4,620,550                   06/723,389                   11/04/86
4,620,565                   06/771,550                   11/04/86
4,620,584                   06/737,459                   11/04/86
4,620,588                   06/676,500                   11/04/86
4,620,590                   06/678,400                   11/04/86
4,620,596                   06/674,378                   11/04/86
4,620,600                   06/649,731                   11/04/86
4,620,601                   06/306,290                   11/04/86
4,620,606                   06/740,211                   11/04/86
4,620,608                   06/791,118                   11/04/86
4,620,612                   06/729,692                   11/04/86
4,620,613                   06/764,757                   11/04/86
4,620,614                   06/774,064                   11/04/86
4,620,615                   06/798,256                   11/04/86
4,620,617                   06/698,066                   11/04/86
4,620,622                   06/647,384                   11/04/86
4,620,626                   06/754,037                   11/04/86
4,620,647                   06/769,497                   11/04/86
4,620,650                   06/786,943                   11/04/86
4,620,659                   06/595,606                   11/04/86
4,620,662                   06/634,336                   11/04/86
4,620,666                   06/795,336                   11/04/86
4,620,670                   06/652,753                   11/04/86
4,620,671                   06/614,879                   11/04/86
4,620,674                   06/631,355                   11/04/86
4,620,675                   06/530,008                   11/04/86
4,620,679                   06/637,194                   11/04/86
4,620,680                   06/675,781                   11/04/86
4,620,681                   06/571,783                   11/04/86
4,620,686                   06/666,045                   11/04/86
4,620,689                   06/730,758                   11/04/86
4,620,693                   06/632,591                   11/04/86
4,620,701                   06/642,528                   11/04/86
4,620,710                   06/727,960                   11/04/86
4,620,715                   06/728,776                   11/04/86
4,620,719                   06/583,454                   11/04/86
4,620,734                   06/723,051                   11/04/86
4,620,735                   06/743,704                   11/04/86
4,620,736                   06/819,463                   11/04/86
4,620,754                   06/611,556                   11/04/86
4,620,758                   06/764,524                   11/04/86
4,620,760                   06/690,528                   11/04/86
4,620,769                   06/564,928                   11/04/86
4,620,770                   06/594,442                   11/04/86
4,620,773                   06/494,447                   11/04/86
4,620,775                   06/780,574                   11/04/86
4,620,795                   06/625,327                   11/04/86
4,620,806                   06/755,296                   11/04/86
4,620,818                   06/614,425                   11/04/86
4,620,827                   06/683,197                   11/04/86
4,620,828                   06/557,911                   11/04/86
4,620,838                   06/594,204                   11/04/86
4,620,841                   06/686,098                   11/04/86
4,620,846                   06/572,821                   11/04/86
4,620,853                   06/806,448                   11/04/86
4,620,859                   06/830,391                   11/04/86
4,620,866                   06/639,986                   11/04/86
4,620,870                   06/709,340                   11/04/86
4,620,875                   06/719,451                   11/04/86
4,620,881                   06/609,802                   11/04/86
4,620,882                   06/711,538                   11/04/86
4,620,885                   06/813,921                   11/04/86
4,620,887                   06/771,332                   11/04/86
4,620,888                   06/646,954                   11/04/86
4,620,895                   06/761,341                   11/04/86
4,620,896                   06/806,751                   11/04/86
4,620,898                   06/775,968                   11/04/86
4,620,901                   06/794,474                   11/04/86
4,620,902                   06/692,301                   11/04/86
4,620,917                   06/721,495                   11/04/86
4,620,928                   06/655,728                   11/04/86
4,620,929                   06/681,320                   11/04/86
4,620,935                   06/701,750                   11/04/86
4,620,945                   06/644,053                   11/04/86
4,620,951                   06/737,147                   11/04/86
4,620,954                   06/742,545                   11/04/86
4,620,962                   06/700,826                   11/04/86
4,620,968                   06/419,537                   11/04/86
4,620,976                   06/741,606                   11/04/86
4,620,979                   06/761,791                   11/04/86
4,620,980                   06/478,021                   11/04/86
4,620,983                   06/623,425                   11/04/86
4,620,993                   06/595,216                   11/04/86
4,620,994                   06/595,106                   11/04/86
4,621,008                   06/662,051                   11/04/86
4,621,015                   06/587,020                   11/04/86
4,621,018                   06/701,620                   11/04/86
4,621,022                   06/823,467                   11/04/86
4,621,029                   06/690,583                   11/04/86
4,621,031                   06/672,120                   11/04/86
4,621,033                   06/799,720                   11/04/86
4,621,037                   06/752,714                   11/04/86
4,621,040                   06/789,666                   11/04/86
4,621,053                   06/584,017                   11/04/86
4,621,057                   06/580,243                   11/04/86
4,621,063                   06/433,732                   11/04/86
4,621,065                   06/653,950                   11/04/86
4,621,068                   06/734,670                   11/04/86
4,621,076                   06/702,424                   11/04/86
4,621,096                   06/716,202                   11/04/86
4,621,103                   06/645,489                   11/04/86
4,621,104                   06/785,710                   11/04/86
4,621,105                   06/767,442                   11/04/86
4,621,111                   06/803,244                   11/04/86
4,621,113                   06/785,294                   11/04/86
4,621,119                   06/686,810                   11/04/86
4,621,121                   06/693,343                   11/04/86
4,621,124                   06/775,711                   11/04/86
4,621,130                   06/776,423                   11/04/86
4,621,132                   06/625,260                   11/04/86
4,621,133                   06/752,067                   11/04/86
4,621,136                   06/334,005                   11/04/86
4,621,137                   06/562,221                   11/04/86
4,621,138                   06/717,058                   11/04/86
4,621,143                   06/625,329                   11/04/86
4,621,149                   06/681,061                   11/04/86
4,621,156                   06/309,914                   11/04/86
4,621,162                   06/758,938                   11/04/86
4,621,163                   06/758,939                   11/04/86
4,621,173                   06/504,200                   11/04/86
4,621,174                   06/726,629                   11/04/86
4,621,175                   06/720,410                   11/04/86
4,621,177                   06/716,535                   11/04/86
4,621,178                   06/781,978                   11/04/86
4,621,182                   06/725,688                   11/04/86
4,621,183                   06/663,929                   11/04/86
4,621,184                   06/667,454                   11/04/86
4,621,198                   06/613,221                   11/04/86
4,621,204                   06/634,574                   11/04/86
4,621,209                   06/672,669                   11/04/86
4,621,214                   06/602,155                   11/04/86
4,621,219                   06/630,221                   11/04/86
4,621,222                   06/758,975                   11/04/86
4,621,224                   06/721,959                   11/04/86
4,621,228                   06/669,973                   11/04/86
4,621,232                   06/610,445                   11/04/86
4,621,233                   06/570,496                   11/04/86
4,621,235                   06/614,001                   11/04/86
4,621,236                   06/700,036                   11/04/86
4,621,237                   06/589,104                   11/04/86
4,621,239                   06/717,741                   11/04/86
4,621,246                   06/759,103                   11/04/86
4,621,256                   06/775,983                   11/04/86
4,621,262                   06/582,425                   11/04/86
4,621,264                   06/647,181                   11/04/86
4,621,265                   06/430,352                   11/04/86
4,621,273                   06/450,483                   11/04/86
4,621,275                   06/603,813                   11/04/86
4,621,276                   06/613,679                   11/04/86
4,621,278                   06/738,973                   11/04/86
4,621,281                   06/603,245                   11/04/86
4,621,283                   06/644,852                   11/04/86
4,621,289                   06/591,741                   11/04/86
4,621,290                   06/599,536                   11/04/86
4,621,300                   06/627,680                   11/04/86
4,621,306                   06/719,763                   11/04/86
4,621,312                   06/629,387                   11/04/86
4,621,318                   06/462,715                   11/04/86
4,621,322                   06/349,844                   11/04/86
4,621,328                   06/485,011                   11/04/86
4,621,335                   06/486,976                   11/04/86
4,621,337                   06/522,285                   11/04/86
4,621,347                   06/547,701                   11/04/86
4,621,354                   06/685,197                   11/04/86
4,621,360                   06/622,789                   11/04/86
4,621,363                   06/678,750                   11/04/86
4,621,370                   06/614,370                   11/04/86
4,621,373                   06/588,997                   11/04/86

                   PATENTS WHICH EXPIRED ON October 30, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

4,965,889                   07/312,098                   10/30/90
4,965,893                   07/455,454                   10/30/90
4,965,899                   07/338,560                   10/30/90
4,965,902                   07/377,693                   10/30/90
4,965,904                   07/431,955                   10/30/90
4,965,905                   07/325,898                   10/30/90
4,965,913                   07/395,525                   10/30/90
4,965,921                   07/402,458                   10/30/90
4,965,922                   07/451,228                   10/30/90
4,965,925                   07/339,881                   10/30/90
4,965,937                   07/251,233                   10/30/90
4,965,938                   07/467,923                   10/30/90
4,965,940                   07/330,819                   10/30/90
4,965,941                   07/443,569                   10/30/90
4,965,950                   07/171,722                   10/30/90
4,965,951                   07/396,211                   10/30/90
4,965,958                   07/373,875                   10/30/90
4,965,966                   07/283,530                   10/30/90
4,965,973                   07/178,313                   10/30/90
4,965,984                   07/412,763                   10/30/90
4,965,986                   07/363,964                   10/30/90
4,965,989                   07/335,703                   10/30/90
4,965,996                   07/285,257                   10/30/90
4,965,998                   07/312,481                   10/30/90
4,966,000                   07/471,873                   10/30/90
4,966,015                   07/465,953                   10/30/90
4,966,017                   07/404,797                   10/30/90
4,966,046                   07/362,365                   10/30/90
4,966,055                   07/403,740                   10/30/90
4,966,064                   07/437,752                   10/30/90
4,966,069                   07/431,461                   10/30/90
4,966,078                   07/456,145                   10/30/90
4,966,081                   07/335,045                   10/30/90
4,966,098                   07/390,980                   10/30/90
4,966,099                   07/290,308                   10/30/90
4,966,102                   07/307,897                   10/30/90
4,966,104                   07/371,064                   10/30/90
4,966,106                   07/450,510                   10/30/90
4,966,109                   07/333,685                   10/30/90
4,966,111                   07/384,566                   10/30/90
4,966,114                   07/445,183                   10/30/90
4,966,120                   07/225,724                   10/30/90
4,966,128                   07/388,875                   10/30/90
4,966,134                   07/346,372                   10/30/90
4,966,136                   07/334,188                   10/30/90
4,966,138                   07/330,419                   10/30/90
4,966,139                   07/374,110                   10/30/90
4,966,142                   07/374,411                   10/30/90
4,966,143                   07/280,461                   10/30/90
4,966,145                   07/403,034                   10/30/90
4,966,155                   07/437,323                   10/30/90
4,966,159                   06/644,941                   10/30/90
4,966,160                   06/914,462                   10/30/90
4,966,164                   07/283,593                   10/30/90
4,966,165                   07/212,244                   10/30/90
4,966,172                   06/839,753                   10/30/90
4,966,177                   07/414,637                   10/30/90
4,966,179                   07/327,328                   10/30/90
4,966,180                   07/255,464                   10/30/90
4,966,185                   07/294,118                   10/30/90
4,966,191                   07/368,661                   10/30/90
4,966,192                   07/410,152                   10/30/90
4,966,201                   07/367,411                   10/30/90
4,966,203                   07/346,199                   10/30/90
4,966,207                   07/359,245                   10/30/90
4,966,209                   07/445,811                   10/30/90
4,966,213                   07/310,105                   10/30/90
4,966,214                   07/317,499                   10/30/90
4,966,215                   07/323,904                   10/30/90
4,966,217                   07/309,165                   10/30/90
4,966,234                   07/436,496                   10/30/90
4,966,241                   07/420,340                   10/30/90
4,966,246                   07/364,413                   10/30/90
4,966,251                   07/355,658                   10/30/90
4,966,257                   07/365,927                   10/30/90
4,966,259                   07/152,147                   10/30/90
4,966,267                   07/410,561                   10/30/90
4,966,268                   07/374,143                   10/30/90
4,966,269                   07/357,088                   10/30/90
4,966,270                   07/363,715                   10/30/90
4,966,275                   07/302,555                   10/30/90
4,966,279                   07/447,923                   10/30/90
4,966,299                   07/378,567                   10/30/90
4,966,300                   07/496,863                   10/30/90
4,966,301                   06/876,402                   10/30/90
4,966,302                   07/222,077                   10/30/90
4,966,308                   07/211,743                   10/30/90
4,966,317                   07/373,189                   10/30/90
4,966,319                   07/430,592                   10/30/90
4,966,324                   07/454,520                   10/30/90
4,966,325                   07/275,074                   10/30/90
4,966,331                   07/325,114                   10/30/90
4,966,333                   07/255,876                   10/30/90
4,966,338                   07/081,772                   10/30/90
4,966,339                   07/424,391                   10/30/90
4,966,341                   07/506,544                   10/30/90
4,966,347                   07/423,664                   10/30/90
4,966,350                   07/279,853                   10/30/90
4,966,352                   07/276,573                   10/30/90
4,966,355                   07/225,007                   10/30/90
4,966,357                   07/465,361                   10/30/90
4,966,360                   07/403,337                   10/30/90
4,966,361                   07/392,882                   10/30/90
4,966,364                   07/319,948                   10/30/90
4,966,369                   07/356,328                   10/30/90
4,966,371                   07/436,010                   10/30/90
4,966,372                   07/284,418                   10/30/90
4,966,373                   07/383,072                   10/30/90
4,966,377                   07/394,111                   10/30/90
4,966,386                   07/302,746                   10/30/90
4,966,391                   07/332,869                   10/30/90
4,966,401                   07/271,014                   10/30/90
4,966,406                   07/366,386                   10/30/90
4,966,412                   06/741,247                   10/30/90
4,966,419                   07/201,456                   10/30/90
4,966,424                   07/345,351                   10/30/90
4,966,427                   07/383,829                   10/30/90
4,966,452                   07/344,711                   10/30/90
4,966,455                   07/280,166                   10/30/90
4,966,458                   07/357,980                   10/30/90
4,966,461                   07/398,641                   10/30/90
4,966,464                   07/457,037                   10/30/90
4,966,468                   07/328,362                   10/30/90
4,966,475                   07/480,579                   10/30/90
4,966,477                   07/077,726                   10/30/90
4,966,485                   06/752,028                   10/30/90
4,966,507                   07/427,778                   10/30/90
4,966,511                   07/365,692                   10/30/90
4,966,526                   07/379,305                   10/30/90
4,966,527                   07/389,333                   10/30/90
4,966,529                   07/412,050                   10/30/90
4,966,532                   07/297,356                   10/30/90
4,966,537                   07/303,726                   10/30/90
4,966,542                   07/390,736                   10/30/90
4,966,546                   07/346,032                   10/30/90
4,966,572                   07/385,716                   10/30/90
4,966,575                   07/347,916                   10/30/90
4,966,576                   07/415,393                   10/30/90
4,966,578                   07/201,936                   10/30/90
4,966,580                   07/382,021                   10/30/90
4,966,582                   07/374,661                   10/30/90
4,966,587                   07/343,271                   10/30/90
4,966,591                   07/260,197                   10/30/90
4,966,593                   07/319,154                   10/30/90
4,966,594                   07/091,455                   10/30/90
4,966,599                   07/518,221                   10/30/90
4,966,602                   07/413,312                   10/30/90
4,966,603                   07/384,124                   10/30/90
4,966,606                   07/114,187                   10/30/90
4,966,610                   07/361,272                   10/30/90
4,966,611                   07/326,908                   10/30/90
4,966,619                   07/359,695                   10/30/90
4,966,622                   07/332,193                   10/30/90
4,966,630                   07/328,993                   10/30/90
4,966,633                   07/371,186                   10/30/90
4,966,635                   07/225,661                   10/30/90
4,966,636                   07/341,117                   10/30/90
4,966,637                   07/295,702                   10/30/90
4,966,650                   07/246,069                   10/30/90
4,966,651                   07/296,022                   10/30/90
4,966,652                   07/432,285                   10/30/90
4,966,656                   07/533,120                   10/30/90
4,966,668                   07/277,799                   10/30/90
4,966,679                   07/292,380                   10/30/90
4,966,680                   07/200,109                   10/30/90
4,966,681                   07/332,418                   10/30/90
4,966,691                   07/351,220                   10/30/90
4,966,696                   07/368,112                   10/30/90
4,966,700                   07/367,039                   10/30/90
4,966,703                   07/392,969                   10/30/90
4,966,705                   07/326,278                   10/30/90
4,966,706                   07/380,673                   10/30/90
4,966,712                   07/304,841                   10/30/90
4,966,713                   07/337,630                   10/30/90
4,966,717                   07/309,413                   10/30/90
4,966,727                   07/124,559                   10/30/90
4,966,731                   07/464,262                   10/30/90
4,966,737                   07/401,696                   10/30/90
4,966,743                   07/203,081                   10/30/90
4,966,748                   07/490,704                   10/30/90
4,966,757                   07/327,240                   10/30/90
4,966,758                   07/181,876                   10/30/90
4,966,763                   07/384,197                   10/30/90
4,966,764                   07/316,124                   10/30/90
4,966,773                   07/339,915                   10/30/90
4,966,774                   07/369,300                   10/30/90
4,966,785                   07/374,984                   10/30/90
4,966,788                   07/357,222                   10/30/90
4,966,793                   07/367,980                   10/30/90
4,966,796                   07/335,364                   10/30/90
4,966,800                   07/309,835                   10/30/90
4,966,801                   07/276,670                   10/30/90
4,966,803                   07/223,594                   10/30/90
4,966,809                   07/155,935                   10/30/90
4,966,811                   07/397,557                   10/30/90
4,966,812                   07/359,458                   10/30/90
4,966,822                   07/345,681                   10/30/90
4,966,823                   07/404,288                   10/30/90
4,966,827                   07/124,741                   10/30/90
4,966,841                   07/053,390                   10/30/90
4,966,846                   07/123,038                   10/30/90
4,966,848                   07/284,344                   10/30/90
4,966,850                   07/340,307                   10/30/90
4,966,856                   07/110,096                   10/30/90
4,966,869                   07/519,538                   10/30/90
4,966,870                   07/391,399                   10/30/90
4,966,871                   07/321,588                   10/30/90
4,966,872                   07/424,606                   10/30/90
4,966,874                   07/325,878                   10/30/90
4,966,875                   07/100,428                   10/30/90
4,966,877                   07/480,328                   10/30/90
4,966,881                   07/375,219                   10/30/90
4,966,884                   07/300,282                   10/30/90
4,966,886                   07/332,638                   10/30/90
4,966,887                   07/211,477                   10/30/90
4,966,894                   07/288,444                   10/30/90
4,966,901                   07/355,993                   10/30/90
4,966,902                   07/181,705                   10/30/90
4,966,904                   07/320,975                   10/30/90
4,966,908                   07/323,456                   10/30/90
4,966,910                   07/423,821                   10/30/90
4,966,912                   07/414,968                   10/30/90
4,966,913                   07/505,219                   10/30/90
4,966,914                   07/285,007                   10/30/90
4,966,915                   07/245,348                   10/30/90
4,966,916                   07/325,746                   10/30/90
4,966,917                   07/408,855                   10/30/90
4,966,919                   07/368,621                   10/30/90
4,966,924                   07/351,348                   10/30/90
4,966,925                   07/204,317                   10/30/90
4,966,928                   07/232,989                   10/30/90
4,966,930                   07/214,069                   10/30/90
4,966,940                   07/360,451                   10/30/90
4,966,942                   07/218,296                   10/30/90
4,966,944                   07/262,283                   10/30/90
4,966,945                   07/272,764                   10/30/90
4,966,948                   07/258,149                   10/30/90
4,966,958                   07/375,282                   10/30/90
4,966,966                   07/144,575                   10/30/90
4,966,967                   07/408,023                   10/30/90
4,966,969                   07/481,661                   10/30/90
4,966,977                   07/324,503                   10/30/90
4,966,989                   07/362,965                   10/30/90
4,967,000                   07/406,010                   10/30/90
4,967,001                   07/213,659                   10/30/90
4,967,003                   06/928,006                   10/30/90
4,967,010                   07/410,042                   10/30/90
4,967,013                   07/346,714                   10/30/90
4,967,017                   07/332,673                   10/30/90
4,967,020                   07/389,198                   10/30/90
4,967,029                   07/403,971                   10/30/90
4,967,031                   07/449,181                   10/30/90
4,967,034                   07/403,742                   10/30/90
4,967,045                   07/459,477                   10/30/90
4,967,047                   07/294,460                   10/30/90
4,967,049                   07/485,811                   10/30/90
4,967,053                   07/346,620                   10/30/90
4,967,056                   07/313,425                   10/30/90
4,967,058                   07/337,052                   10/30/90
4,967,060                   07/297,462                   10/30/90
4,967,061                   07/418,542                   10/30/90
4,967,062                   07/447,977                   10/30/90
4,967,066                   07/417,492                   10/30/90
4,967,069                   07/284,199                   10/30/90
4,967,075                   07/186,685                   10/30/90
4,967,084                   07/305,873                   10/30/90
4,967,087                   07/437,868                   10/30/90
4,967,089                   07/122,820                   10/30/90
4,967,101                   07/224,882                   10/30/90
4,967,111                   07/296,004                   10/30/90
4,967,113                   07/325,384                   10/30/90
4,967,123                   07/471,978                   10/30/90
4,967,126                   07/472,528                   10/30/90
4,967,132                   07/279,972                   10/30/90
4,967,164                   07/407,380                   10/30/90
4,967,167                   07/474,976                   10/30/90
4,967,178                   07/480,337                   10/30/90
4,967,179                   07/334,657                   10/30/90
4,967,186                   07/395,466                   10/30/90
4,967,198                   07/488,207                   10/30/90
4,967,199                   07/357,532                   10/30/90
4,967,201                   07/111,328                   10/30/90
4,967,221                   07/333,020                   10/30/90
4,967,230                   07/407,809                   10/30/90
4,967,235                   07/277,691                   10/30/90
4,967,236                   07/457,614                   10/30/90
4,967,238                   07/288,603                   10/30/90
4,967,247                   07/279,350                   10/30/90
4,967,252                   07/323,978                   10/30/90
4,967,253                   07/238,830                   10/30/90
4,967,263                   07/241,684                   10/30/90
4,967,265                   07/332,821                   10/30/90
4,967,267                   07/377,049                   10/30/90
4,967,276                   07/356,199                   10/30/90
4,967,284                   07/258,599                   10/30/90
4,967,290                   07/236,866                   10/30/90
4,967,292                   07/069,439                   10/30/90
4,967,301                   07/520,170                   10/30/90
4,967,303                   07/351,372                   10/30/90
4,967,319                   07/346,484                   10/30/90
4,967,320                   07/347,727                   10/30/90
4,967,321                   07/270,170                   10/30/90
4,967,323                   07/430,144                   10/30/90
4,967,327                   07/466,064                   10/30/90
4,967,331                   07/468,044                   10/30/90
4,967,334                   07/406,263                   10/30/90
4,967,353                   07/390,474                   10/30/90
4,967,358                   07/241,453                   10/30/90
4,967,364                   07/453,260                   10/30/90
4,967,373                   07/169,039                   10/30/90
4,967,394                   07/241,748                   10/30/90
4,967,414                   07/294,021                   10/30/90

                   PATENTS WHICH EXPIRED ON November 1, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

5,359,733                   08/120,572                   11/01/94
5,359,735                   07/997,327                   11/01/94
5,359,738                   08/232,660                   11/01/94
5,359,739                   08/113,076                   11/01/94
5,359,746                   07/808,303                   11/01/94
5,359,758                   07/871,127                   11/01/94
5,359,760                   08/046,965                   11/01/94
5,359,762                   08/135,397                   11/01/94
5,359,771                   08/054,873                   11/01/94
5,359,779                   07/958,869                   11/01/94
5,359,780                   08/174,707                   11/01/94
5,359,781                   08/041,038                   11/01/94
5,359,786                   07/770,034                   11/01/94
5,359,789                   08/121,128                   11/01/94
5,359,790                   08/102,831                   11/01/94
5,359,791                   08/092,663                   11/01/94
5,359,793                   08/048,423                   11/01/94
5,359,798                   07/895,651                   11/01/94
5,359,803                   08/144,521                   11/01/94
5,359,804                   08/107,445                   11/01/94
5,359,805                   08/103,703                   11/01/94
5,359,808                   08/019,653                   11/01/94
5,359,809                   08/078,056                   11/01/94
5,359,810                   08/139,719                   11/01/94
5,359,819                   07/960,366                   11/01/94
5,359,825                   07/822,615                   11/01/94
5,359,827                   08/116,710                   11/01/94
5,359,829                   07/986,454                   11/01/94
5,359,830                   07/943,756                   11/01/94
5,359,843                   07/974,039                   11/01/94
5,359,847                   08/069,496                   11/01/94
5,359,855                   08/105,309                   11/01/94
5,359,859                   07/996,125                   11/01/94
5,359,861                   08/171,273                   11/01/94
5,359,867                   07/951,278                   11/01/94
5,359,869                   08/106,846                   11/01/94
5,359,879                   07/971,175                   11/01/94
5,359,884                   07/962,327                   11/01/94
5,359,885                   08/041,264                   11/01/94
5,359,895                   07/930,677                   11/01/94
5,359,897                   07/829,060                   11/01/94
5,359,903                   07/913,853                   11/01/94
5,359,915                   08/073,897                   11/01/94
5,359,917                   08/102,023                   11/01/94
5,359,923                   08/120,367                   11/01/94
5,359,924                   07/918,500                   11/01/94
5,359,931                   07/753,904                   11/01/94
5,359,932                   07/947,734                   11/01/94
5,359,943                   07/871,096                   11/01/94
5,359,944                   07/891,272                   11/01/94
5,359,950                   08/143,300                   11/01/94
5,359,953                   07/974,159                   11/01/94
5,359,954                   08/155,248                   11/01/94
5,359,967                   08/076,030                   11/01/94
5,359,968                   08/096,819                   11/01/94
5,359,970                   08/143,896                   11/01/94
5,359,979                   08/219,638                   11/01/94
5,359,984                   07/986,717                   11/01/94
5,359,985                   08/027,623                   11/01/94
5,359,988                   07/937,558                   11/01/94
5,359,995                   07/831,155                   11/01/94
5,359,999                   08/023,131                   11/01/94
5,360,001                   07/901,194                   11/01/94
5,360,003                   08/075,737                   11/01/94
5,360,011                   08/090,621                   11/01/94
5,360,015                   07/700,197                   11/01/94
5,360,019                   07/992,844                   11/01/94
5,360,027                   08/132,057                   11/01/94
5,360,028                   08/212,563                   11/01/94
5,360,032                   08/113,974                   11/01/94
5,360,039                   08/095,333                   11/01/94
5,360,045                   08/103,424                   11/01/94
5,360,048                   08/067,587                   11/01/94
5,360,062                   07/793,453                   11/01/94
5,360,065                   08/085,276                   11/01/94
5,360,070                   08/093,462                   11/01/94
5,360,071                   08/102,255                   11/01/94
5,360,087                   07/845,917                   11/01/94
5,360,088                   07/745,351                   11/01/94
5,360,092                   07/992,336                   11/01/94
5,360,094                   08/185,685                   11/01/94
5,360,104                   08/143,324                   11/01/94
5,360,109                   08/054,333                   11/01/94
5,360,111                   08/116,008                   11/01/94
5,360,112                   08/099,000                   11/01/94
5,360,114                   08/215,806                   11/01/94
5,360,120                   08/073,782                   11/01/94
5,360,126                   07/994,299                   11/01/94
5,360,131                   08/024,526                   11/01/94
5,360,140                   07/907,464                   11/01/94
5,360,142                   07/985,648                   11/01/94
5,360,148                   08/001,059                   11/01/94
5,360,157                   08/114,043                   11/01/94
5,360,163                   08/140,687                   11/01/94
5,360,170                   08/110,096                   11/01/94
5,360,175                   08/122,516                   11/01/94
5,360,176                   07/639,483                   11/01/94
5,360,178                   07/863,674                   11/01/94
5,360,180                   08/077,208                   11/01/94
5,360,185                   08/011,780                   11/01/94
5,360,187                   08/037,877                   11/01/94
5,360,191                   07/952,958                   11/01/94
5,360,192                   08/067,568                   11/01/94
5,360,193                   08/157,976                   11/01/94
5,360,194                   07/960,593                   11/01/94
5,360,197                   08/039,191                   11/01/94
5,360,199                   08/040,149                   11/01/94
5,360,201                   08/061,198                   11/01/94
5,360,205                   08/090,536                   11/01/94
5,360,208                   08/126,555                   11/01/94
5,360,210                   07/978,018                   11/01/94
5,360,214                   08/190,271                   11/01/94
5,360,215                   08/107,511                   11/01/94
5,360,216                   08/222,901                   11/01/94
5,360,218                   08/003,509                   11/01/94
5,360,228                   07/753,845                   11/01/94
5,360,229                   08/046,948                   11/01/94
5,360,232                   08/121,397                   11/01/94
5,360,241                   08/122,737                   11/01/94
5,360,243                   08/065,394                   11/01/94
5,360,246                   08/050,855                   11/01/94
5,360,247                   08/206,033                   11/01/94
5,360,249                   08/027,429                   11/01/94
5,360,252                   07/924,168                   11/01/94
5,360,258                   07/818,068                   11/01/94
5,360,259                   08/100,485                   11/01/94
5,360,264                   08/016,295                   11/01/94
5,360,265                   07/990,740                   11/01/94
5,360,272                   08/024,992                   11/01/94
5,360,277                   07/827,769                   11/01/94
5,360,286                   07/985,257                   11/01/94
5,360,293                   07/986,241                   11/01/94
5,360,306                   08/091,224                   11/01/94
5,360,309                   07/928,901                   11/01/94
5,360,310                   08/040,665                   11/01/94
5,360,311                   08/048,796                   11/01/94
5,360,315                   08/000,941                   11/01/94
5,360,323                   08/057,260                   11/01/94
5,360,331                   08/000,632                   11/01/94
5,360,337                   08/096,471                   11/01/94
5,360,341                   08/099,413                   11/01/94
5,360,343                   08/003,788                   11/01/94
5,360,344                   07/999,008                   11/01/94
5,360,349                   08/040,650                   11/01/94
5,360,363                   08/159,067                   11/01/94
5,360,366                   08/171,653                   11/01/94
5,360,368                   07/832,940                   11/01/94
5,360,370                   07/925,102                   11/01/94
5,360,371                   07/820,905                   11/01/94
5,360,372                   07/860,035                   11/01/94
5,360,376                   08/003,756                   11/01/94
5,360,377                   07/910,101                   11/01/94
5,360,379                   08/142,538                   11/01/94
5,360,381                   07/856,064                   11/01/94
5,360,382                   08/181,222                   11/01/94
5,360,383                   07/962,530                   11/01/94
5,360,384                   08/100,033                   11/01/94
5,360,386                   08/130,457                   11/01/94
5,360,391                   08/051,833                   11/01/94
5,360,408                   07/976,470                   11/01/94
5,360,409                   08/032,678                   11/01/94
5,360,421                   08/106,612                   11/01/94
5,360,426                   07/776,562                   11/01/94
5,360,428                   07/918,287                   11/01/94
5,360,433                   08/193,604                   11/01/94
5,360,434                   07/936,936                   11/01/94
5,360,444                   08/164,880                   11/01/94
5,360,448                   08/006,653                   11/01/94
5,360,454                   08/066,233                   11/01/94
5,360,456                   07/904,995                   11/01/94
5,360,461                   08/110,469                   11/01/94
5,360,474                   07/946,406                   11/01/94
5,360,477                   08/024,948                   11/01/94
5,360,485                   07/911,693                   11/01/94
5,360,494                   08/098,929                   11/01/94
5,360,511                   08/112,297                   11/01/94
5,360,513                   07/834,107                   11/01/94
5,360,514                   08/031,432                   11/01/94
5,360,524                   08/047,265                   11/01/94
5,360,544                   07/974,733                   11/01/94
5,360,554                   08/192,725                   11/01/94
5,360,560                   08/135,943                   11/01/94
5,360,574                   07/867,228                   11/01/94
5,360,586                   07/972,937                   11/01/94
5,360,590                   08/071,599                   11/01/94
5,360,592                   08/096,507                   11/01/94
5,360,597                   08/034,040                   11/01/94
5,360,599                   08/079,495                   11/01/94
5,360,614                   08/053,944                   11/01/94
5,360,622                   07/598,643                   11/01/94
5,360,625                   08/103,695                   11/01/94
5,360,631                   08/095,547                   11/01/94
5,360,632                   08/105,208                   11/01/94
5,360,637                   08/158,479                   11/01/94
5,360,646                   08/115,387                   11/01/94
5,360,651                   07/871,436                   11/01/94
5,360,668                   08/154,569                   11/01/94
5,360,715                   07/642,983                   11/01/94
5,360,716                   08/022,428                   11/01/94
5,360,718                   08/151,318                   11/01/94
5,360,720                   08/134,148                   11/01/94
5,360,744                   08/221,541                   11/01/94
5,360,759                   08/123,605                   11/01/94
5,360,767                   08/044,659                   11/01/94
5,360,768                   07/784,434                   11/01/94
5,360,775                   07/986,428                   11/01/94
5,360,781                   08/075,099                   11/01/94
5,360,791                   08/001,221                   11/01/94
5,360,794                   07/923,452                   11/01/94
5,360,797                   08/146,685                   11/01/94
5,360,802                   07/976,042                   11/01/94
5,360,808                   08/019,296                   11/01/94
5,360,812                   08/067,520                   11/01/94
5,360,813                   07/945,589                   11/01/94
5,360,815                   08/081,506                   11/01/94
5,360,824                   08/015,966                   11/01/94
5,360,831                   08/078,219                   11/01/94
5,360,836                   08/035,491                   11/01/94
5,360,838                   08/077,835                   11/01/94
5,360,841                   07/778,969                   11/01/94
5,360,842                   08/000,559                   11/01/94
5,360,847                   08/004,880                   11/01/94
5,360,848                   08/101,994                   11/01/94
5,360,853                   07/895,553                   11/01/94
5,360,867                   08/169,808                   11/01/94
5,360,877                   08/061,395                   11/01/94
5,360,878                   08/106,183                   11/01/94
5,360,881                   08/065,446                   11/01/94
5,360,899                   07/927,433                   11/01/94
5,360,909                   08/035,178                   11/01/94
5,360,912                   08/017,259                   11/01/94
5,360,914                   08/059,759                   11/01/94
5,360,915                   07/960,895                   11/01/94
5,360,919                   08/028,695                   11/01/94
5,360,932                   08/002,578                   11/01/94
5,360,935                   07/944,556                   11/01/94
5,360,936                   08/120,104                   11/01/94
5,360,937                   08/035,089                   11/01/94
5,360,950                   07/884,416                   11/01/94
5,360,951                   08/135,806                   11/01/94
5,360,955                   07/931,691                   11/01/94
5,360,980                   08/023,502                   11/01/94
5,360,989                   08/060,066                   11/01/94
5,360,997                   08/082,394                   11/01/94
5,360,999                   08/023,808                   11/01/94
5,361,009                   07/905,881                   11/01/94
5,361,011                   08/161,561                   11/01/94
5,361,016                   08/010,553                   11/01/94
5,361,018                   08/103,216                   11/01/94
5,361,030                   07/928,987                   11/01/94
5,361,037                   08/065,480                   11/01/94
5,361,039                   08/078,826                   11/01/94
5,361,045                   07/327,839                   11/01/94
5,361,049                   06/855,209                   11/01/94
5,361,062                   07/981,808                   11/01/94
5,361,106                   07/838,274                   11/01/94
5,361,132                   07/980,679                   11/01/94
5,361,136                   08/024,956                   11/01/94
5,361,139                   08/182,378                   11/01/94
5,361,159                   08/022,915                   11/01/94
5,361,191                   08/075,108                   11/01/94
5,361,193                   08/115,120                   11/01/94
5,361,195                   08/237,251                   11/01/94
5,361,241                   08/045,723                   11/01/94
5,361,254                   07/983,040                   11/01/94
5,361,279                   08/076,229                   11/01/94
5,361,281                   08/099,323                   11/01/94
5,361,284                   08/026,047                   11/01/94
5,361,285                   08/179,819                   11/01/94
5,361,291                   07/796,113                   11/01/94
5,361,294                   07/993,881                   11/01/94
5,361,304                   07/565,434                   11/01/94
5,361,306                   08/021,209                   11/01/94
5,361,308                   07/818,940                   11/01/94
5,361,311                   07/913,010                   11/01/94
5,361,313                   08/060,778                   11/01/94
5,361,321                   07/928,574                   11/01/94
5,361,322                   07/843,542                   11/01/94
5,361,342                   07/737,333                   11/01/94
5,361,346                   07/820,912                   11/01/94
5,361,373                   07/989,236                   11/01/94
5,361,376                   08/203,831                   11/01/94
5,361,388                   07/864,785                   11/01/94
5,361,403                   08/061,345                   11/01/94