PATENTS WHICH EXPIRED ON November 18, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

4,622,699                   06/686,208                   11/18/86
4,622,703                   06/765,664                   11/18/86
4,622,707                   06/724,010                   11/18/86
4,622,713                   06/530,193                   11/18/86
4,622,721                   06/677,185                   11/18/86
4,622,733                   06/573,404                   11/18/86
4,622,739                   06/775,192                   11/18/86
4,622,770                   06/700,492                   11/18/86
4,622,775                   06/721,493                   11/18/86
4,622,779                   06/686,282                   11/18/86
4,622,785                   06/812,077                   11/18/86
4,622,790                   06/716,389                   11/18/86
4,622,795                   06/740,080                   11/18/86
4,622,807                   06/732,340                   11/18/86
4,622,813                   06/668,717                   11/18/86
4,622,820                   06/781,246                   11/18/86
4,622,831                   06/703,991                   11/18/86
4,622,833                   06/648,981                   11/18/86
4,622,841                   06/654,245                   11/18/86
4,622,842                   06/681,345                   11/18/86
4,622,843                   06/813,897                   11/18/86
4,622,852                   06/772,989                   11/18/86
4,622,864                   06/740,713                   11/18/86
4,622,866                   06/783,271                   11/18/86
4,622,871                   06/687,688                   11/18/86
4,622,876                   06/728,222                   11/18/86
4,622,890                   06/771,549                   11/18/86
4,622,891                   06/693,135                   11/18/86
4,622,898                   06/718,322                   11/18/86
4,622,908                   06/663,191                   11/18/86
4,622,922                   06/743,439                   11/18/86
4,622,923                   06/705,293                   11/18/86
4,622,926                   06/751,511                   11/18/86
4,622,929                   06/673,528                   11/18/86
4,622,934                   06/654,287                   11/18/86
4,622,935                   06/797,514                   11/18/86
4,622,938                   06/702,423                   11/18/86
4,622,942                   06/814,500                   11/18/86
4,622,943                   06/725,711                   11/18/86
4,622,949                   06/622,243                   11/18/86
4,622,950                   06/696,164                   11/18/86
4,622,952                   06/681,697                   11/18/86
4,622,953                   06/781,782                   11/18/86
4,622,956                   06/792,067                   11/18/86
4,622,965                   06/645,747                   11/18/86
4,622,972                   06/418,136                   11/18/86
4,622,973                   06/621,239                   11/18/86
4,622,978                   06/677,852                   11/18/86
4,622,984                   06/596,674                   11/18/86
4,622,987                   06/744,241                   11/18/86
4,622,989                   06/775,900                   11/18/86
4,623,019                   06/781,696                   11/18/86
4,623,030                   06/789,515                   11/18/86
4,623,040                   06/708,195                   11/18/86
4,623,041                   06/663,529                   11/18/86
4,623,042                   06/705,700                   11/18/86
4,623,043                   06/705,871                   11/18/86
4,623,053                   06/651,793                   11/18/86
4,623,056                   06/841,006                   11/18/86
4,623,057                   06/655,032                   11/18/86
4,623,059                   06/738,511                   11/18/86
4,623,060                   06/679,475                   11/18/86
4,623,070                   06/696,224                   11/18/86
4,623,071                   06/793,049                   11/18/86
4,623,082                   06/733,993                   11/18/86
4,623,091                   06/751,452                   11/18/86
4,623,102                   06/561,194                   11/18/86
4,623,103                   06/575,968                   11/18/86
4,623,105                   06/802,234                   11/18/86
4,623,115                   06/796,769                   11/18/86
4,623,117                   06/556,781                   11/18/86
4,623,120                   06/715,075                   11/18/86
4,623,135                   06/632,842                   11/18/86
4,623,136                   06/809,729                   11/18/86
4,623,137                   06/534,620                   11/18/86
4,623,144                   06/696,704                   11/18/86
4,623,147                   06/533,863                   11/18/86
4,623,150                   06/742,383                   11/18/86
4,623,159                   06/732,998                   11/18/86
4,623,164                   06/680,735                   11/18/86
4,623,167                   06/650,028                   11/18/86
4,623,179                   06/838,412                   11/18/86
4,623,183                   06/654,028                   11/18/86
4,623,188                   06/665,778                   11/18/86
4,623,189                   06/713,434                   11/18/86
4,623,191                   06/672,564                   11/18/86
4,623,192                   06/843,252                   11/18/86
4,623,198                   06/602,185                   11/18/86
4,623,213                   06/792,506                   11/18/86
4,623,225                   06/626,135                   11/18/86
4,623,236                   06/793,177                   11/18/86
4,623,239                   06/703,781                   11/18/86
4,623,251                   06/517,418                   11/18/86
4,623,253                   06/562,182                   11/18/86
4,623,255                   06/541,526                   11/18/86
4,623,258                   06/623,667                   11/18/86
4,623,262                   06/508,919                   11/18/86
4,623,265                   06/654,624                   11/18/86
4,623,269                   06/757,716                   11/18/86
4,623,277                   06/729,549                   11/18/86
4,623,281                   06/634,568                   11/18/86
4,623,286                   06/753,361                   11/18/86
4,623,288                   06/637,349                   11/18/86
4,623,293                   06/699,964                   11/18/86
4,623,296                   06/638,834                   11/18/86
4,623,300                   06/777,799                   11/18/86
4,623,306                   06/708,768                   11/18/86
4,623,309                   06/799,874                   11/18/86
4,623,311                   06/757,926                   11/18/86
4,623,312                   06/666,977                   11/18/86
4,623,313                   06/631,407                   11/18/86
4,623,314                   06/705,660                   11/18/86
4,623,320                   06/664,567                   11/18/86
4,623,324                   06/665,160                   11/18/86
4,623,325                   06/557,226                   11/18/86
4,623,330                   06/466,949                   11/18/86
4,623,336                   06/609,343                   11/18/86
4,623,337                   06/587,663                   11/18/86
4,623,345                   06/601,213                   11/18/86
4,623,347                   06/721,018                   11/18/86
4,623,350                   06/673,032                   11/18/86
4,623,351                   06/601,929                   11/18/86
4,623,352                   06/587,287                   11/18/86
4,623,365                   06/690,022                   11/18/86
4,623,368                   06/683,815                   11/18/86
4,623,372                   06/629,615                   11/18/86
4,623,374                   06/719,381                   11/18/86
4,623,378                   06/637,087                   11/18/86
4,623,388                   06/785,521                   11/18/86
4,623,392                   06/436,379                   11/18/86
4,623,401                   06/827,680                   11/18/86
4,623,403                   06/621,280                   11/18/86
4,623,409                   06/708,624                   11/18/86
4,623,410                   06/564,395                   11/18/86
4,623,415                   06/692,562                   11/18/86
4,623,417                   06/768,547                   11/18/86
4,623,432                   06/603,079                   11/18/86
4,623,434                   06/462,404                   11/18/86
4,623,444                   06/749,482                   11/18/86
4,623,449                   06/592,093                   11/18/86
4,623,452                   06/777,047                   11/18/86
4,623,455                   06/715,629                   11/18/86
4,623,457                   06/722,792                   11/18/86
4,623,458                   06/721,076                   11/18/86
4,623,464                   06/714,436                   11/18/86
4,623,478                   06/836,940                   11/18/86
4,623,481                   06/652,859                   11/18/86
4,623,487                   06/825,881                   11/18/86
4,623,495                   06/601,819                   11/18/86
4,623,499                   06/639,172                   11/18/86
4,623,505                   06/342,057                   11/18/86
4,623,507                   06/590,936                   11/18/86
4,623,512                   06/753,344                   11/18/86
4,623,528                   06/745,648                   11/18/86
4,623,545                   06/787,241                   11/18/86
4,623,561                   06/754,730                   11/18/86
4,623,562                   06/802,898                   11/18/86
4,623,571                   06/717,513                   11/18/86
4,623,575                   06/698,929                   11/18/86
4,623,586                   06/798,362                   11/18/86
4,623,587                   06/658,497                   11/18/86
4,623,590                   06/673,543                   11/18/86
4,623,591                   06/774,256                   11/18/86
4,623,594                   06/750,648                   11/18/86
4,623,600                   06/768,657                   11/18/86
4,623,606                   06/822,186                   11/18/86
4,623,617                   06/785,507                   11/18/86
4,623,622                   06/460,727                   11/18/86
4,623,625                   06/686,264                   11/18/86
4,623,643                   06/742,859                   11/18/86
4,623,649                   06/654,594                   11/18/86
4,623,650                   06/679,150                   11/18/86
4,623,652                   06/691,787                   11/18/86
4,623,653                   06/644,749                   11/18/86
4,623,654                   06/660,364                   11/18/86
4,623,658                   06/825,172                   11/18/86
4,623,667                   06/749,766                   11/18/86
4,623,673                   06/791,030                   11/18/86
4,623,675                   06/760,801                   11/18/86
4,623,678                   06/727,970                   11/18/86
4,623,682                   06/782,682                   11/18/86
4,623,685                   06/714,236                   11/18/86
4,623,688                   06/808,596                   11/18/86
4,623,691                   06/729,353                   11/18/86
4,623,693                   06/762,555                   11/18/86
4,623,694                   06/804,220                   11/18/86
4,623,695                   06/693,935                   11/18/86
4,623,699                   06/802,060                   11/18/86
4,623,701                   06/753,482                   11/18/86
4,623,706                   06/643,578                   11/18/86
4,623,727                   06/465,740                   11/18/86
4,623,730                   06/581,852                   11/18/86
4,623,732                   06/553,174                   11/18/86
4,623,739                   06/822,981                   11/18/86
4,623,746                   06/518,863                   11/18/86
4,623,753                   06/546,792                   11/18/86
4,623,755                   06/775,705                   11/18/86
4,623,762                   06/680,035                   11/18/86
4,623,773                   06/590,602                   11/18/86
4,623,783                   06/743,015                   11/18/86
4,623,791                   06/701,525                   11/18/86
4,623,798                   06/407,915                   11/18/86
4,623,801                   06/622,351                   11/18/86
4,623,804                   06/575,523                   11/18/86
4,623,815                   06/596,015                   11/18/86
4,623,819                   06/764,519                   11/18/86
4,623,820                   06/607,596                   11/18/86
4,623,838                   06/723,834                   11/18/86
4,623,845                   06/700,905                   11/18/86
4,623,848                   06/631,468                   11/18/86
4,623,864                   06/723,142                   11/18/86
4,623,872                   06/625,035                   11/18/86
4,623,874                   06/667,662                   11/18/86
4,623,876                   06/694,168                   11/18/86
4,623,883                   06/680,118                   11/18/86
4,623,884                   06/630,304                   11/18/86
4,623,886                   06/459,894                   11/18/86
4,623,892                   06/685,861                   11/18/86
4,623,906                   06/793,378                   11/18/86
4,623,913                   06/600,931                   11/18/86
4,623,915                   06/653,074                   11/18/86
4,623,924                   06/702,618                   11/18/86
4,623,934                   06/552,512                   11/18/86
4,623,936                   06/780,751                   11/18/86
4,623,937                   06/635,883                   11/18/86
4,623,947                   06/588,342                   11/18/86
4,623,948                   06/638,140                   11/18/86
4,623,956                   06/609,283                   11/18/86
4,623,962                   06/509,609                   11/18/86
4,623,963                   06/517,692                   11/18/86
4,623,969                   06/568,392                   11/18/86
4,623,975                   06/442,413                   11/18/86
4,623,976                   06/590,320                   11/18/86
4,623,978                   06/696,100                   11/18/86
4,623,983                   06/468,437                   11/18/86
4,623,993                   06/577,429                   11/18/86
4,623,995                   06/740,273                   11/18/86
4,623,999                   06/617,167                   11/18/86
4,624,000                   06/667,251                   11/18/86
4,624,010                   06/460,303                   11/18/86
4,624,011                   06/462,042                   11/18/86
4,624,012                   06/375,434                   11/18/86
4,624,014                   06/573,226                   11/18/86

                  PATENTS WHICH EXPIRED ON November 13, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

4,969,213                   07/329,295                   11/13/90
4,969,217                   07/343,554                   11/13/90
4,969,219                   07/484,435                   11/13/90
4,969,222                   07/540,142                   11/13/90
4,969,223                   07/330,564                   11/13/90
4,969,226                   07/327,900                   11/13/90
4,969,227                   07/331,489                   11/13/90
4,969,228                   07/371,133                   11/13/90
4,969,231                   07/352,936                   11/13/90
4,969,245                   07/376,650                   11/13/90
4,969,247                   07/461,910                   11/13/90
4,969,250                   07/422,248                   11/13/90
4,969,252                   07/426,101                   11/13/90
4,969,253                   07/477,375                   11/13/90
4,969,269                   07/286,107                   11/13/90
4,969,280                   07/393,394                   11/13/90
4,969,281                   07/255,737                   11/13/90
4,969,283                   07/420,411                   11/13/90
4,969,287                   07/425,871                   11/13/90
4,969,289                   07/393,982                   11/13/90
4,969,291                   07/232,295                   11/13/90
4,969,294                   07/398,162                   11/13/90
4,969,295                   07/390,872                   11/13/90
4,969,302                   06/691,667                   11/13/90
4,969,306                   07/359,759                   11/13/90
4,969,325                   07/292,841                   11/13/90
4,969,326                   07/231,919                   11/13/90
4,969,328                   07/265,547                   11/13/90
4,969,336                   07/389,543                   11/13/90
4,969,343                   07/415,376                   11/13/90
4,969,344                   07/331,242                   11/13/90
4,969,348                   07/431,815                   11/13/90
4,969,350                   07/337,215                   11/13/90
4,969,351                   07/421,916                   11/13/90
4,969,355                   07/477,093                   11/13/90
4,969,361                   07/311,041                   11/13/90
4,969,364                   07/251,219                   11/13/90
4,969,372                   07/338,721                   11/13/90
4,969,374                   07/364,039                   11/13/90
4,969,379                   07/516,680                   11/13/90
4,969,380                   07/441,870                   11/13/90
4,969,386                   07/460,478                   11/13/90
4,969,390                   07/358,877                   11/13/90
4,969,392                   07/352,475                   11/13/90
4,969,395                   07/399,414                   11/13/90
4,969,398                   07/445,571                   11/13/90
4,969,404                   07/341,337                   11/13/90
4,969,411                   07/407,073                   11/13/90
4,969,412                   07/389,774                   11/13/90
4,969,413                   07/266,635                   11/13/90
4,969,415                   07/458,006                   11/13/90
4,969,422                   07/411,307                   11/13/90
4,969,429                   07/415,513                   11/13/90
4,969,431                   07/366,717                   11/13/90
4,969,432                   07/290,970                   11/13/90
4,969,436                   07/311,624                   11/13/90
4,969,437                   07/378,697                   11/13/90
4,969,447                   07/437,808                   11/13/90
4,969,452                   07/328,417                   11/13/90
4,969,453                   07/221,076                   11/13/90
4,969,455                   07/358,615                   11/13/90
4,969,456                   07/100,484                   11/13/90
4,969,466                   07/244,985                   11/13/90
4,969,473                   07/169,448                   11/13/90
4,969,479                   07/424,407                   11/13/90
4,969,484                   07/476,514                   11/13/90
4,969,488                   07/493,163                   11/13/90
4,969,490                   07/348,265                   11/13/90
4,969,495                   07/371,785                   11/13/90
4,969,499                   07/400,445                   11/13/90
4,969,500                   07/439,154                   11/13/90
4,969,510                   07/303,947                   11/13/90
4,969,513                   07/410,889                   11/13/90
4,969,514                   06/706,969                   11/13/90
4,969,528                   07/381,489                   11/13/90
4,969,530                   07/426,217                   11/13/90
4,969,532                   07/263,637                   11/13/90
4,969,538                   07/336,793                   11/13/90
4,969,541                   07/227,010                   11/13/90
4,969,545                   07/322,908                   11/13/90
4,969,547                   07/326,661                   11/13/90
4,969,549                   07/112,601                   11/13/90
4,969,550                   07/406,706                   11/13/90
4,969,551                   07/356,376                   11/13/90
4,969,555                   07/378,067                   11/13/90
4,969,556                   07/360,033                   11/13/90
4,969,560                   07/398,253                   11/13/90
4,969,561                   07/402,553                   11/13/90
4,969,562                   07/397,192                   11/13/90
4,969,566                   07/371,617                   11/13/90
4,969,567                   07/263,888                   11/13/90
4,969,573                   07/421,767                   11/13/90
4,969,580                   07/270,521                   11/13/90
4,969,581                   07/391,070                   11/13/90
4,969,582                   07/271,991                   11/13/90
4,969,584                   07/417,042                   11/13/90
4,969,589                   07/423,007                   11/13/90
4,969,597                   07/412,647                   11/13/90
4,969,599                   07/340,680                   11/13/90
4,969,607                   07/426,720                   11/13/90
4,969,608                   07/375,693                   11/13/90
4,969,610                   07/283,508                   11/13/90
4,969,618                   07/236,159                   11/13/90
4,969,620                   07/449,997                   11/13/90
4,969,623                   07/317,644                   11/13/90
4,969,629                   07/442,022                   11/13/90
4,969,631                   07/406,583                   11/13/90
4,969,644                   07/453,799                   11/13/90
4,969,645                   07/406,241                   11/13/90
4,969,647                   07/360,385                   11/13/90
4,969,648                   07/257,337                   11/13/90
4,969,654                   07/268,977                   11/13/90
4,969,659                   07/358,557                   11/13/90
4,969,661                   07/235,624                   11/13/90
4,969,663                   07/325,979                   11/13/90
4,969,680                   07/290,323                   11/13/90
4,969,685                   07/356,416                   11/13/90
4,969,689                   07/391,095                   11/13/90
4,969,693                   07/331,766                   11/13/90
4,969,694                   07/270,870                   11/13/90
4,969,703                   07/406,017                   11/13/90
4,969,709                   07/420,498                   11/13/90
4,969,722                   07/324,711                   11/13/90
4,969,725                   07/353,499                   11/13/90
4,969,729                   07/332,630                   11/13/90
4,969,732                   07/314,020                   11/13/90
4,969,740                   07/354,151                   11/13/90
4,969,741                   07/383,798                   11/13/90
4,969,746                   07/239,893                   11/13/90
4,969,747                   07/470,810                   11/13/90
4,969,751                   07/383,863                   11/13/90
4,969,756                   07/495,881                   11/13/90
4,969,757                   07/408,583                   11/13/90
4,969,767                   07/249,739                   11/13/90
4,969,772                   07/390,995                   11/13/90
4,969,775                   07/260,559                   11/13/90
4,969,782                   07/453,846                   11/13/90
4,969,783                   07/334,621                   11/13/90
4,969,784                   07/398,426                   11/13/90
4,969,787                   07/401,744                   11/13/90
4,969,789                   07/285,209                   11/13/90
4,969,793                   07/156,246                   11/13/90
4,969,802                   07/457,461                   11/13/90
4,969,806                   07/417,874                   11/13/90
4,969,808                   07/438,131                   11/13/90
4,969,817                   07/251,880                   11/13/90
4,969,824                   07/539,274                   11/13/90
4,969,825                   07/413,023                   11/13/90
4,969,826                   07/464,624                   11/13/90
4,969,828                   07/463,859                   11/13/90
4,969,835                   07/294,983                   11/13/90
4,969,836                   07/426,753                   11/13/90
4,969,847                   07/387,855                   11/13/90
4,969,851                   07/470,988                   11/13/90
4,969,865                   07/295,234                   11/13/90
4,969,867                   07/229,954                   11/13/90
4,969,871                   07/311,906                   11/13/90
4,969,872                   07/320,732                   11/13/90
4,969,876                   07/404,261                   11/13/90
4,969,882                   06/879,745                   11/13/90
4,969,886                   07/273,862                   11/13/90
4,969,890                   07/217,483                   11/13/90
4,969,895                   07/300,994                   11/13/90
4,969,896                   07/305,375                   11/13/90
4,969,898                   07/383,584                   11/13/90
4,969,900                   07/159,671                   11/13/90
4,969,902                   07/229,938                   11/13/90
4,969,909                   07/263,328                   11/13/90
4,969,910                   07/257,285                   11/13/90
4,969,914                   07/295,295                   11/13/90
4,969,917                   07/351,467                   11/13/90
4,969,922                   07/336,228                   11/13/90
4,969,926                   07/412,110                   11/13/90
4,969,928                   07/318,567                   11/13/90
4,969,929                   07/187,488                   11/13/90
4,969,934                   07/389,471                   11/13/90
4,969,936                   07/457,204                   11/13/90
4,969,937                   07/358,869                   11/13/90
4,969,938                   07/460,447                   11/13/90
4,969,943                   07/362,991                   11/13/90
4,969,945                   07/375,974                   11/13/90
4,969,957                   07/398,596                   11/13/90
4,969,958                   07/331,262                   11/13/90
4,969,963                   07/289,726                   11/13/90
4,969,965                   07/374,765                   11/13/90
4,969,976                   07/329,665                   11/13/90
4,969,977                   07/302,980                   11/13/90
4,969,986                   07/434,396                   11/13/90
4,969,987                   07/442,806                   11/13/90
4,969,989                   07/295,479                   11/13/90
4,969,990                   07/401,037                   11/13/90
4,969,992                   07/055,069                   11/13/90
4,970,005                   07/531,730                   11/13/90
4,970,006                   07/417,069                   11/13/90
4,970,014                   07/456,989                   11/13/90
4,970,015                   07/456,983                   11/13/90
4,970,016                   07/323,134                   11/13/90
4,970,026                   07/247,136                   11/13/90
4,970,027                   07/138,439                   11/13/90
4,970,029                   07/163,168                   11/13/90
4,970,037                   07/429,578                   11/13/90
4,970,038                   07/277,371                   11/13/90
4,970,043                   07/316,595                   11/13/90
4,970,044                   07/377,657                   11/13/90
4,970,046                   07/261,875                   11/13/90
4,970,050                   07/448,115                   11/13/90
4,970,055                   07/326,321                   11/13/90
4,970,059                   07/425,959                   11/13/90
4,970,062                   07/358,732                   11/13/90
4,970,063                   07/225,818                   11/13/90
4,970,066                   07/235,955                   11/13/90
4,970,070                   07/189,359                   11/13/90
4,970,073                   06/719,075                   11/13/90
4,970,074                   07/367,151                   11/13/90
4,970,085                   07/423,921                   11/13/90
4,970,087                   07/400,397                   11/13/90
4,970,088                   07/427,276                   11/13/90
4,970,089                   07/414,398                   11/13/90
4,970,091                   07/423,172                   11/13/90
4,970,100                   07/373,325                   11/13/90
4,970,102                   07/348,974                   11/13/90
4,970,103                   07/307,172                   11/13/90
4,970,106                   07/501,073                   11/13/90
4,970,109                   07/348,324                   11/13/90
4,970,111                   07/256,490                   11/13/90
4,970,117                   07/263,851                   11/13/90
4,970,118                   07/288,984                   11/13/90
4,970,120                   07/219,335                   11/13/90
4,970,123                   07/477,699                   11/13/90
4,970,130                   07/444,343                   11/13/90
4,970,133                   07/256,970                   11/13/90
4,970,134                   07/205,380                   11/13/90
4,970,135                   07/411,745                   11/13/90
4,970,142                   07/478,648                   11/13/90
4,970,147                   07/169,488                   11/13/90
4,970,150                   07/363,802                   11/13/90
4,970,157                   07/084,238                   11/13/90
4,970,161                   07/144,988                   11/13/90
4,970,167                   07/181,452                   11/13/90
4,970,169                   07/423,693                   11/13/90
4,970,170                   07/220,743                   11/13/90
4,970,172                   06/944,083                   11/13/90
4,970,175                   07/389,650                   11/13/90
4,970,179                   07/462,256                   11/13/90
4,970,183                   07/152,657                   11/13/90
4,970,195                   07/250,387                   11/13/90
4,970,196                   07/235,817                   11/13/90
4,970,204                   07/397,615                   11/13/90
4,970,205                   07/290,020                   11/13/90
4,970,206                   07/348,914                   11/13/90
4,970,221                   07/386,162                   11/13/90
4,970,227                   07/399,712                   11/13/90
4,970,229                   07/390,565                   11/13/90
4,970,230                   07/395,283                   11/13/90
4,970,233                   07/081,351                   11/13/90
4,970,234                   07/390,579                   11/13/90
4,970,237                   07/311,018                   11/13/90
4,970,244                   06/740,278                   11/13/90
4,970,245                   07/304,559                   11/13/90
4,970,249                   07/411,013                   11/13/90
4,970,251                   07/361,213                   11/13/90
4,970,252                   07/480,004                   11/13/90
4,970,256                   07/319,945                   11/13/90
4,970,260                   07/198,525                   11/13/90
4,970,262                   07/273,673                   11/13/90
4,970,263                   07/134,732                   11/13/90
4,970,274                   07/346,264                   11/13/90
4,970,275                   07/386,982                   11/13/90
4,970,281                   07/478,150                   11/13/90
4,970,284                   07/288,866                   11/13/90
4,970,285                   07/358,145                   11/13/90
4,970,295                   07/315,956                   11/13/90
4,970,299                   06/881,630                   11/13/90
4,970,300                   07/298,413                   11/13/90
4,970,301                   07/277,689                   11/13/90
4,970,303                   07/151,700                   11/13/90
4,970,309                   07/447,152                   11/13/90
4,970,310                   07/395,243                   11/13/90
4,970,315                   07/385,759                   11/13/90
4,970,318                   07/336,923                   11/13/90
4,970,320                   07/469,615                   11/13/90
4,970,322                   07/325,394                   11/13/90
4,970,325                   07/418,340                   11/13/90
4,970,330                   06/454,863                   11/13/90
4,970,332                   07/321,273                   11/13/90
4,970,333                   07/114,893                   11/13/90
4,970,334                   07/091,196                   11/13/90
4,970,337                   07/271,976                   11/13/90
4,970,348                   07/432,266                   11/13/90
4,970,351                   07/517,800                   11/13/90
4,970,354                   07/313,083                   11/13/90
4,970,355                   07/377,702                   11/13/90
4,970,356                   07/539,199                   11/13/90
4,970,362                   07/184,428                   11/13/90
4,970,365                   07/489,838                   11/13/90
4,970,367                   07/473,882                   11/13/90
4,970,372                   07/359,407                   11/13/90
4,970,375                   07/332,166                   11/13/90
4,970,376                   07/136,897                   11/13/90
4,970,377                   07/473,491                   11/13/90
4,970,378                   07/428,551                   11/13/90
4,970,382                   07/301,335                   11/13/90
4,970,389                   07/372,588                   11/13/90
4,970,395                   07/289,276                   11/13/90
4,970,401                   07/353,001                   11/13/90
4,970,409                   07/332,325                   11/13/90
4,970,410                   07/333,922                   11/13/90
4,970,417                   07/374,294                   11/13/90
4,970,420                   07/379,314                   11/13/90
4,970,421                   07/269,264                   11/13/90
4,970,423                   07/273,141                   11/13/90
4,970,427                   07/291,011                   11/13/90
4,970,429                   06/843,368                   11/13/90
4,970,433                   07/256,430                   11/13/90
4,970,434                   07/400,626                   11/13/90
4,970,444                   07/301,007                   11/13/90
4,970,452                   07/452,852                   11/13/90
4,970,455                   07/408,631                   11/13/90
4,970,459                   07/279,161                   11/13/90
4,970,462                   07/305,067                   11/13/90
4,970,464                   07/407,357                   11/13/90
4,970,469                   07/411,795                   11/13/90
4,970,477                   07/327,303                   11/13/90
4,970,484                   07/129,017                   11/13/90
4,970,491                   07/331,875                   11/13/90
4,970,497                   07/440,137                   11/13/90
4,970,509                   07/453,905                   11/13/90
4,970,518                   07/280,910                   11/13/90
4,970,519                   07/437,478                   11/13/90
4,970,521                   07/423,296                   11/13/90
4,970,522                   07/392,289                   11/13/90
4,970,524                   07/310,048                   11/13/90
4,970,531                   07/155,810                   11/13/90
4,970,535                   07/442,446                   11/13/90
4,970,544                   07/276,494                   11/13/90
4,970,547                   07/482,192                   11/13/90
4,970,548                   07/359,689                   11/13/90
4,970,551                   07/245,870                   11/13/90
4,970,552                   07/196,493                   11/13/90
4,970,553                   07/445,230                   11/13/90
4,970,568                   07/373,591                   11/13/90
4,970,569                   07/346,289                   11/13/90
4,970,579                   07/247,149                   11/13/90
4,970,582                   07/370,645                   11/13/90
4,970,583                   07/426,329                   11/13/90
4,970,596                   07/241,514                   11/13/90
4,970,597                   07/468,336                   11/13/90
4,970,609                   07/258,937                   11/13/90
4,970,612                   07/330,243                   11/13/90
4,970,614                   07/288,310                   11/13/90
4,970,617                   07/184,959                   11/13/90
4,970,618                   07/243,836                   11/13/90
4,970,621                   07/267,144                   11/13/90
4,970,633                   07/318,702                   11/13/90
4,970,639                   07/196,237                   11/13/90
4,970,641                   07/344,429                   11/13/90
4,970,650                   07/339,701                   11/13/90
4,970,652                   07/366,995                   11/13/90
4,970,657                   07/416,702                   11/13/90
4,970,658                   07/312,109                   11/13/90
4,970,662                   07/372,539                   11/13/90
4,970,666                   07/175,158                   11/13/90
4,970,667                   07/217,866                   11/13/90
4,970,668                   07/225,392                   11/13/90
4,970,675                   07/310,172                   11/13/90
4,970,697                   07/417,953                   11/13/90
4,970,705                   06/334,672                   11/13/90
4,970,707                   07/239,389                   11/13/90
4,970,709                   06/878,343                   11/13/90
4,970,710                   07/410,478                   11/13/90
4,970,713                   07/238,377                   11/13/90
4,970,714                   07/294,086                   11/13/90

                  PATENTS WHICH EXPIRED ON November 15, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

5,363,508                   08/092,885                   11/15/94
5,363,514                   08/099,426                   11/15/94
5,363,520                   07/852,410                   11/15/94
5,363,523                   08/209,705                   11/15/94
5,363,524                   08/112,416                   11/15/94
5,363,528                   08/188,696                   11/15/94
5,363,530                   08/149,512                   11/15/94
5,363,540                   07/926,985                   11/15/94
5,363,541                   08/140,592                   11/15/94
5,363,551                   08/103,039                   11/15/94
5,363,553                   08/098,085                   11/15/94
5,363,556                   08/099,989                   11/15/94
5,363,558                   08/151,866                   11/15/94
5,363,561                   08/061,592                   11/15/94
5,363,564                   08/052,067                   11/15/94
5,363,569                   08/029,879                   11/15/94
5,363,570                   08/254,171                   11/15/94
5,363,571                   07/648,982                   11/15/94
5,363,582                   07/186,553                   11/15/94
5,363,583                   08/140,508                   11/15/94
5,363,584                   08/035,067                   11/15/94
5,363,587                   08/098,071                   11/15/94
5,363,589                   08/089,020                   11/15/94
5,363,591                   08/048,215                   11/15/94
5,363,598                   08/017,433                   11/15/94
5,363,602                   08/178,638                   11/15/94
5,363,608                   08/082,388                   11/15/94
5,363,617                   08/103,200                   11/15/94
5,363,619                   07/984,982                   11/15/94
5,363,626                   08/087,528                   11/15/94
5,363,632                   08/106,464                   11/15/94
5,363,633                   08/103,266                   11/15/94
5,363,634                   08/013,692                   11/15/94
5,363,639                   07/993,592                   11/15/94
5,363,650                   08/134,449                   11/15/94
5,363,676                   08/024,508                   11/15/94
5,363,679                   07/993,294                   11/15/94
5,363,688                   08/105,558                   11/15/94
5,363,695                   07/963,197                   11/15/94
5,363,706                   07/952,325                   11/15/94
5,363,710                   07/986,083                   11/15/94
5,363,730                   07/922,054                   11/15/94
5,363,732                   08/034,489                   11/15/94
5,363,739                   08/134,052                   11/15/94
5,363,740                   08/093,496                   11/15/94
5,363,745                   08/159,474                   11/15/94
5,363,747                   08/139,611                   11/15/94
5,363,751                   08/011,005                   11/15/94
5,363,755                   08/235,389                   11/15/94
5,363,759                   08/133,906                   11/15/94
5,363,760                   07/634,218                   11/15/94
5,363,767                   07/629,105                   11/15/94
5,363,777                   07/942,975                   11/15/94
5,363,784                   08/037,306                   11/15/94
5,363,786                   07/990,739                   11/15/94
5,363,792                   08/116,407                   11/15/94
5,363,795                   08/071,591                   11/15/94
5,363,798                   08/128,502                   11/15/94
5,363,803                   08/126,483                   11/15/94
5,363,806                   08/100,393                   11/15/94
5,363,808                   08/203,040                   11/15/94
5,363,809                   08/199,496                   11/15/94
5,363,813                   08/088,149                   11/15/94
5,363,833                   08/039,170                   11/15/94
5,363,840                   08/192,236                   11/15/94
5,363,843                   08/031,890                   11/15/94
5,363,851                   08/158,139                   11/15/94
5,363,858                   08/057,607                   11/15/94
5,363,865                   08/126,925                   11/15/94
5,363,869                   08/121,685                   11/15/94
5,363,880                   08/185,002                   11/15/94
5,363,882                   08/037,559                   11/15/94
5,363,883                   08/019,027                   11/15/94
5,363,884                   08/016,693                   11/15/94
5,363,885                   08/071,145                   11/15/94
5,363,890                   08/013,778                   11/15/94
5,363,893                   08/165,636                   11/15/94
5,363,898                   08/103,566                   11/15/94
5,363,900                   08/048,813                   11/15/94
5,363,901                   07/979,616                   11/15/94
5,363,903                   08/092,902                   11/15/94
5,363,906                   07/915,610                   11/15/94
5,363,911                   08/136,451                   11/15/94
5,363,915                   07/546,841                   11/15/94
5,363,917                   08/047,986                   11/15/94
5,363,919                   08/151,628                   11/15/94
5,363,922                   08/031,556                   11/15/94
5,363,927                   08/127,690                   11/15/94
5,363,929                   07/907,790                   11/15/94
5,363,932                   08/059,922                   11/15/94
5,363,941                   08/164,816                   11/15/94
5,363,944                   07/925,708                   11/15/94
5,363,946                   08/071,446                   11/15/94
5,363,950                   08/153,636                   11/15/94
5,363,954                   08/125,898                   11/15/94
5,363,956                   08/021,476                   11/15/94
5,363,958                   08/048,463                   11/15/94
5,363,967                   08/126,137                   11/15/94
5,363,969                   08/100,973                   11/15/94
5,363,974                   07/992,786                   11/15/94
5,363,975                   08/008,456                   11/15/94
5,363,979                   08/090,186                   11/15/94
5,363,980                   08/124,584                   11/15/94
5,363,987                   08/018,778                   11/15/94
5,363,991                   08/147,145                   11/15/94
5,363,995                   08/167,318                   11/15/94
5,364,021                   08/110,387                   11/15/94
5,364,023                   08/130,872                   11/15/94
5,364,024                   08/057,873                   11/15/94
5,364,028                   08/205,862                   11/15/94
5,364,030                   08/099,133                   11/15/94
5,364,031                   08/075,190                   11/15/94
5,364,035                   08/170,538                   11/15/94
5,364,036                   07/910,211                   11/15/94
5,364,037                   08/080,316                   11/15/94
5,364,038                   08/060,319                   11/15/94
5,364,042                   08/000,506                   11/15/94
5,364,044                   08/077,209                   11/15/94
5,364,045                   08/071,826                   11/15/94
5,364,046                   07/839,996                   11/15/94
5,364,052                   08/064,132                   11/15/94
5,364,055                   07/859,895                   11/15/94
5,364,056                   08/099,747                   11/15/94
5,364,062                   08/100,362                   11/15/94
5,364,063                   08/179,236                   11/15/94
5,364,065                   08/118,516                   11/15/94
5,364,076                   07/859,383                   11/15/94
5,364,086                   08/161,058                   11/15/94
5,364,091                   08/096,544                   11/15/94
5,364,100                   08/001,832                   11/15/94
5,364,102                   08/124,594                   11/15/94
5,364,103                   08/152,235                   11/15/94
5,364,107                   08/112,346                   11/15/94
5,364,108                   08/046,867                   11/15/94
5,364,112                   07/982,858                   11/15/94
5,364,118                   08/042,724                   11/15/94
5,364,121                   08/109,262                   11/15/94
5,364,123                   08/188,862                   11/15/94
5,364,128                   07/903,922                   11/15/94
5,364,141                   08/207,819                   11/15/94
5,364,143                   08/129,268                   11/15/94
5,364,148                   08/005,292                   11/15/94
5,364,154                   08/090,341                   11/15/94
5,364,158                   08/104,939                   11/15/94
5,364,161                   08/060,642                   11/15/94
5,364,163                   08/089,474                   11/15/94
5,364,167                   08/138,628                   11/15/94
5,364,178                   07/872,476                   11/15/94
5,364,184                   08/021,025                   11/15/94
5,364,185                   08/046,760                   11/15/94
5,364,192                   08/142,041                   11/15/94
5,364,198                   08/068,858                   11/15/94
5,364,199                   08/210,736                   11/15/94
5,364,211                   08/205,088                   11/15/94
5,364,213                   08/140,492                   11/15/94
5,364,214                   08/054,598                   11/15/94
5,364,215                   07/952,604                   11/15/94
5,364,217                   08/014,822                   11/15/94
5,364,218                   08/079,076                   11/15/94
5,364,233                   08/114,440                   11/15/94
5,364,234                   07/820,831                   11/15/94
5,364,240                   08/137,288                   11/15/94
5,364,246                   08/126,074                   11/15/94
5,364,263                   08/132,361                   11/15/94
5,364,270                   07/895,093                   11/15/94
5,364,279                   07/941,445                   11/15/94
5,364,281                   08/070,737                   11/15/94
5,364,298                   07/881,796                   11/15/94
5,364,311                   08/061,045                   11/15/94
5,364,316                   08/018,598                   11/15/94
5,364,320                   08/028,824                   11/15/94
5,364,325                   08/079,988                   11/15/94
5,364,327                   08/001,958                   11/15/94
5,364,334                   08/118,436                   11/15/94
5,364,340                   08/084,990                   11/15/94
5,364,343                   07/983,317                   11/15/94
5,364,358                   07/787,888                   11/15/94
5,364,363                   08/087,968                   11/15/94
5,364,368                   08/085,777                   11/15/94
5,364,369                   07/791,399                   11/15/94
5,364,376                   07/926,530                   11/15/94
5,364,391                   08/070,816                   11/15/94
5,364,406                   08/107,271                   11/15/94
5,364,416                   07/981,030                   11/15/94
5,364,420                   08/072,445                   11/15/94
5,364,437                   08/029,036                   11/15/94
5,364,443                   08/160,435                   11/15/94
5,364,464                   08/177,369                   11/15/94
5,364,465                   07/986,590                   11/15/94
5,364,466                   07/865,265                   11/15/94
5,364,475                   08/100,647                   11/15/94
5,364,479                   08/060,515                   11/15/94
5,364,480                   07/977,749                   11/15/94
5,364,483                   07/909,704                   11/15/94
5,364,498                   08/095,262                   11/15/94
5,364,503                   07/838,169                   11/15/94
5,364,505                   07/989,932                   11/15/94
5,364,506                   08/055,231                   11/15/94
5,364,512                   07/961,462                   11/15/94
5,364,520                   07/987,758                   11/15/94
5,364,524                   07/903,391                   11/15/94
5,364,525                   07/953,549                   11/15/94
5,364,530                   08/163,198                   11/15/94
5,364,533                   07/913,169                   11/15/94
5,364,537                   07/821,527                   11/15/94
5,364,539                   08/017,754                   11/15/94
5,364,548                   07/846,794                   11/15/94
5,364,553                   08/106,972                   11/15/94
5,364,562                   08/120,565                   11/15/94
5,364,567                   08/051,374                   11/15/94
5,364,570                   07/973,749                   11/15/94
5,364,573                   08/046,865                   11/15/94
5,364,574                   07/864,812                   11/15/94
5,364,575                   07/938,866                   11/15/94
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