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 11, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

4,621,377                   06/710,995                   11/11/86
4,621,388                   06/679,930                   11/11/86
4,621,404                   06/764,635                   11/11/86
4,621,407                   06/612,931                   11/11/86
4,621,411                   06/656,048                   11/11/86
4,621,422                   06/718,448                   11/11/86
4,621,427                   06/723,059                   11/11/86
4,621,433                   06/651,765                   11/11/86
4,621,434                   06/639,288                   11/11/86
4,621,436                   06/746,248                   11/11/86
4,621,444                   06/592,264                   11/11/86
4,621,454                   06/708,147                   11/11/86
4,621,456                   06/735,203                   11/11/86
4,621,459                   06/749,867                   11/11/86
4,621,464                   06/605,507                   11/11/86
4,621,467                   06/469,226                   11/11/86
4,621,469                   06/629,721                   11/11/86
4,621,481                   06/751,246                   11/11/86
4,621,488                   06/636,158                   11/11/86
4,621,499                   06/754,665                   11/11/86
4,621,505                   06/761,426                   11/11/86
4,621,509                   06/662,159                   11/11/86
4,621,531                   06/664,428                   11/11/86
4,621,532                   06/734,047                   11/11/86
4,621,538                   06/720,184                   11/11/86
4,621,544                   06/625,701                   11/11/86
4,621,546                   06/703,298                   11/11/86
4,621,548                   06/607,293                   11/11/86
4,621,551                   06/658,445                   11/11/86
4,621,554                   06/675,311                   11/11/86
4,621,559                   06/688,389                   11/11/86
4,621,560                   06/722,064                   11/11/86
4,621,561                   06/506,887                   11/11/86
4,621,580                   06/434,232                   11/11/86
4,621,583                   06/750,341                   11/11/86
4,621,585                   06/776,651                   11/11/86
4,621,600                   06/773,097                   11/11/86
4,621,615                   06/766,798                   11/11/86
4,621,622                   06/722,600                   11/11/86
4,621,625                   06/688,076                   11/11/86
4,621,633                   06/649,268                   11/11/86
4,621,637                   06/635,753                   11/11/86
4,621,645                   06/650,929                   11/11/86
4,621,658                   06/830,144                   11/11/86
4,621,661                   06/697,519                   11/11/86
4,621,667                   06/691,208                   11/11/86
4,621,680                   06/533,856                   11/11/86
4,621,686                   06/655,448                   11/11/86
4,621,690                   06/722,848                   11/11/86
4,621,691                   06/752,755                   11/11/86
4,621,692                   06/756,982                   11/11/86
4,621,696                   06/594,000                   11/11/86
4,621,699                   06/642,337                   11/11/86
4,621,709                   06/753,703                   11/11/86
4,621,740                   06/698,630                   11/11/86
4,621,742                   06/694,944                   11/11/86
4,621,757                   06/736,534                   11/11/86
4,621,769                   06/410,984                   11/11/86
4,621,772                   06/730,465                   11/11/86
4,621,774                   06/672,584                   11/11/86
4,621,776                   06/715,751                   11/11/86
4,621,788                   06/763,369                   11/11/86
4,621,789                   06/794,373                   11/11/86
4,621,794                   06/636,662                   11/11/86
4,621,800                   06/557,740                   11/11/86
4,621,802                   06/631,171                   11/11/86
4,621,804                   06/715,910                   11/11/86
4,621,808                   06/718,924                   11/11/86
4,621,818                   06/731,655                   11/11/86
4,621,819                   06/654,791                   11/11/86
4,621,820                   06/720,259                   11/11/86
4,621,821                   06/652,895                   11/11/86
4,621,822                   06/748,829                   11/11/86
4,621,843                   06/790,397                   11/11/86
4,621,858                   06/656,078                   11/11/86
4,621,864                   06/681,444                   11/11/86
4,621,868                   06/773,337                   11/11/86
4,621,874                   06/667,498                   11/11/86
4,621,876                   06/775,899                   11/11/86
4,621,884                   06/831,961                   11/11/86
4,621,889                   06/711,552                   11/11/86
4,621,903                   06/568,040                   11/11/86
4,621,904                   06/648,294                   11/11/86
4,621,924                   06/682,620                   11/11/86
4,621,929                   06/541,384                   11/11/86
4,621,940                   06/652,788                   11/11/86
4,621,943                   06/658,542                   11/11/86
4,621,948                   06/673,775                   11/11/86
4,621,949                   06/685,654                   11/11/86
4,621,953                   06/682,127                   11/11/86
4,621,955                   06/600,806                   11/11/86
4,621,959                   06/744,746                   11/11/86
4,621,969                   06/619,153                   11/11/86
4,621,971                   06/726,234                   11/11/86
4,621,974                   06/537,684                   11/11/86
4,621,975                   06/664,528                   11/11/86
4,621,977                   06/791,750                   11/11/86
4,621,980                   06/652,029                   11/11/86
4,621,981                   06/730,127                   11/11/86
4,621,997                   06/778,781                   11/11/86
4,622,003                   06/659,659                   11/11/86
4,622,004                   06/698,111                   11/11/86
4,622,005                   06/784,295                   11/11/86
4,622,028                   06/677,996                   11/11/86
4,622,032                   06/791,568                   11/11/86
4,622,033                   06/639,269                   11/11/86
4,622,034                   06/705,985                   11/11/86
4,622,062                   06/678,409                   11/11/86
4,622,063                   06/592,064                   11/11/86
4,622,081                   06/681,723                   11/11/86
4,622,083                   06/710,199                   11/11/86
4,622,084                   06/696,158                   11/11/86
4,622,085                   06/830,069                   11/11/86
4,622,087                   06/577,075                   11/11/86
4,622,095                   06/789,235                   11/11/86
4,622,096                   06/729,843                   11/11/86
4,622,111                   06/488,754                   11/11/86
4,622,118                   06/722,162                   11/11/86
4,622,119                   06/722,107                   11/11/86
4,622,123                   06/745,961                   11/11/86
4,622,133                   06/826,460                   11/11/86
4,622,141                   06/665,560                   11/11/86
4,622,149                   06/728,335                   11/11/86
4,622,154                   06/719,677                   11/11/86
4,622,162                   06/615,475                   11/11/86
4,622,163                   06/648,439                   11/11/86
4,622,168                   06/725,253                   11/11/86
4,622,169                   06/667,301                   11/11/86
4,622,175                   06/478,994                   11/11/86
4,622,181                   06/662,283                   11/11/86
4,622,184                   06/814,041                   11/11/86
4,622,189                   06/763,544                   11/11/86
4,622,193                   06/696,726                   11/11/86
4,622,198                   06/756,415                   11/11/86
4,622,232                   06/842,347                   11/11/86
4,622,235                   06/706,638                   11/11/86
4,622,237                   06/743,692                   11/11/86
4,622,241                   06/765,733                   11/11/86
4,622,244                   06/643,547                   11/11/86
4,622,270                   06/794,298                   11/11/86
4,622,302                   06/639,127                   11/11/86
4,622,318                   06/662,604                   11/11/86
4,622,320                   06/816,732                   11/11/86
4,622,321                   06/816,731                   11/11/86
4,622,336                   06/458,443                   11/11/86
4,622,338                   06/710,375                   11/11/86
4,622,359                   06/767,370                   11/11/86
4,622,368                   06/733,433                   11/11/86
4,622,369                   06/728,967                   11/11/86
4,622,374                   06/787,237                   11/11/86
4,622,381                   06/783,197                   11/11/86
4,622,383                   06/759,630                   11/11/86
4,622,390                   06/774,171                   11/11/86
4,622,396                   06/704,441                   11/11/86
4,622,397                   06/752,288                   11/11/86
4,622,405                   06/695,520                   11/11/86
4,622,410                   06/712,446                   11/11/86
4,622,416                   06/725,290                   11/11/86
4,622,417                   06/686,570                   11/11/86
4,622,418                   06/719,664                   11/11/86
4,622,425                   06/450,137                   11/11/86
4,622,429                   06/640,414                   11/11/86
4,622,432                   06/605,663                   11/11/86
4,622,443                   06/631,940                   11/11/86
4,622,444                   06/703,316                   11/11/86
4,622,446                   06/559,781                   11/11/86
4,622,447                   06/705,220                   11/11/86
4,622,448                   06/758,040                   11/11/86
4,622,454                   06/739,995                   11/11/86
4,622,456                   06/610,808                   11/11/86
4,622,458                   06/555,827                   11/11/86
4,622,463                   06/532,160                   11/11/86
4,622,464                   06/672,091                   11/11/86
4,622,468                   06/754,659                   11/11/86
4,622,472                   06/631,051                   11/11/86
4,622,473                   06/631,485                   11/11/86
4,622,478                   06/815,312                   11/11/86
4,622,492                   06/644,823                   11/11/86
4,622,498                   06/771,947                   11/11/86
4,622,501                   06/732,339                   11/11/86
4,622,502                   06/694,557                   11/11/86
4,622,505                   06/600,003                   11/11/86
4,622,506                   06/680,489                   11/11/86
4,622,507                   06/697,157                   11/11/86
4,622,508                   06/766,211                   11/11/86
4,622,513                   06/655,923                   11/11/86
4,622,515                   06/581,386                   11/11/86
4,622,520                   06/666,455                   11/11/86
4,622,523                   06/710,156                   11/11/86
4,622,524                   06/704,097                   11/11/86
4,622,529                   06/657,197                   11/11/86
4,622,537                   06/635,032                   11/11/86
4,622,546                   06/564,970                   11/11/86
4,622,548                   06/693,926                   11/11/86
4,622,549                   06/509,001                   11/11/86
4,622,551                   06/546,219                   11/11/86
4,622,553                   06/652,468                   11/11/86
4,622,567                   06/607,334                   11/11/86
4,622,572                   06/446,841                   11/11/86
4,622,573                   06/831,098                   11/11/86
4,622,574                   06/759,728                   11/11/86
4,622,575                   06/647,315                   11/11/86
4,622,577                   06/576,915                   11/11/86
4,622,582                   06/569,393                   11/11/86
4,622,586                   06/719,803                   11/11/86
4,622,589                   06/723,149                   11/11/86
4,622,591                   06/801,695                   11/11/86
4,622,602                   06/735,187                   11/11/86
4,622,605                   06/617,346                   11/11/86
4,622,608                   06/623,726                   11/11/86
4,622,611                   06/719,100                   11/11/86
4,622,613                   06/540,154                   11/11/86
4,622,617                   06/671,742                   11/11/86
4,622,627                   06/580,615                   11/11/86
4,622,631                   06/567,233                   11/11/86
4,622,634                   06/476,672                   11/11/86
4,622,644                   06/609,014                   11/11/86
4,622,645                   06/750,764                   11/11/86
4,622,658                   06/494,421                   11/11/86
4,622,668                   06/608,655                   11/11/86
4,622,674                   06/608,045                   11/11/86
4,622,675                   06/518,700                   11/11/86
4,622,682                   06/593,603                   11/11/86
4,622,683                   06/670,440                   11/11/86
4,622,690                   06/756,737                   11/11/86

                   PATENTS WHICH EXPIRED ON November 6, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

4,967,420                   07/422,961                   11/06/90
4,967,425                   07/334,905                   11/06/90
4,967,427                   07/451,120                   11/06/90
4,967,429                   07/484,399                   11/06/90
4,967,430                   07/514,505                   11/06/90
4,967,446                   07/311,339                   11/06/90
4,967,449                   07/388,278                   11/06/90
4,967,452                   07/408,109                   11/06/90
4,967,453                   07/345,946                   11/06/90
4,967,458                   07/141,623                   11/06/90
4,967,459                   07/437,616                   11/06/90
4,967,464                   07/430,545                   11/06/90
4,967,468                   06/923,568                   11/06/90
4,967,473                   07/443,003                   11/06/90
4,967,476                   07/486,301                   11/06/90
4,967,478                   07/326,291                   11/06/90
4,967,479                   07/280,958                   11/06/90
4,967,480                   07/349,982                   11/06/90
4,967,485                   07/373,859                   11/06/90
4,967,488                   07/383,227                   11/06/90
4,967,489                   07/444,810                   11/06/90
4,967,491                   07/347,254                   11/06/90
4,967,497                   07/407,554                   11/06/90
4,967,498                   07/298,678                   11/06/90
4,967,500                   07/197,599                   11/06/90
4,967,515                   07/381,974                   11/06/90
4,967,519                   07/355,843                   11/06/90
4,967,521                   07/468,769                   11/06/90
4,967,526                   07/468,242                   11/06/90
4,967,533                   07/402,451                   11/06/90
4,967,536                   07/315,073                   11/06/90
4,967,537                   07/426,807                   11/06/90
4,967,542                   07/482,335                   11/06/90
4,967,548                   07/159,574                   11/06/90
4,967,554                   07/247,858                   11/06/90
4,967,558                   07/386,539                   11/06/90
4,967,566                   07/052,540                   11/06/90
4,967,571                   07/407,533                   11/06/90
4,967,572                   07/392,839                   11/06/90
4,967,576                   07/342,859                   11/06/90
4,967,579                   07/416,386                   11/06/90
4,967,585                   07/346,709                   11/06/90
4,967,592                   07/480,809                   11/06/90
4,967,594                   07/384,266                   11/06/90
4,967,595                   07/341,913                   11/06/90
4,967,596                   07/397,517                   11/06/90
4,967,598                   07/233,428                   11/06/90
4,967,602                   07/347,147                   11/06/90
4,967,603                   07/257,700                   11/06/90
4,967,607                   07/421,812                   11/06/90
4,967,616                   07/395,572                   11/06/90
4,967,626                   07/279,349                   11/06/90
4,967,627                   07/343,505                   11/06/90
4,967,638                   06/263,792                   11/06/90
4,967,640                   07/429,020                   11/06/90
4,967,648                   07/389,424                   11/06/90
4,967,650                   07/401,157                   11/06/90
4,967,655                   07/455,852                   11/06/90
4,967,659                   07/492,226                   11/06/90
4,967,661                   07/191,322                   11/06/90
4,967,663                   07/261,342                   11/06/90
4,967,665                   07/386,375                   11/06/90
4,967,672                   07/356,177                   11/06/90
4,967,674                   07/268,817                   11/06/90
4,967,677                   07/293,008                   11/06/90
4,967,678                   07/364,398                   11/06/90
4,967,679                   07/347,336                   11/06/90
4,967,690                   07/508,510                   11/06/90
4,967,693                   07/385,386                   11/06/90
4,967,697                   07/375,505                   11/06/90
4,967,706                   07/349,246                   11/06/90
4,967,707                   07/219,045                   11/06/90
4,967,711                   07/383,873                   11/06/90
4,967,712                   07/446,218                   11/06/90
4,967,738                   07/421,763                   11/06/90
4,967,742                   07/024,016                   11/06/90
4,967,750                   07/113,458                   11/06/90
4,967,758                   07/281,409                   11/06/90
4,967,774                   07/419,670                   11/06/90
4,967,775                   07/374,591                   11/06/90
4,967,780                   07/351,130                   11/06/90
4,967,784                   07/448,526                   11/06/90
4,967,789                   07/315,333                   11/06/90
4,967,795                   07/491,496                   11/06/90
4,967,796                   07/425,080                   11/06/90
4,967,797                   07/394,878                   11/06/90
4,967,800                   07/300,951                   11/06/90
4,967,826                   07/399,559                   11/06/90
4,967,836                   07/391,112                   11/06/90
4,967,838                   07/407,007                   11/06/90
4,967,847                   07/470,170                   11/06/90
4,967,853                   07/373,949                   11/06/90
4,967,858                   07/360,931                   11/06/90
4,967,859                   07/270,658                   11/06/90
4,967,861                   07/263,636                   11/06/90
4,967,869                   07/329,601                   11/06/90
4,967,878                   07/436,238                   11/06/90
4,967,883                   07/369,227                   11/06/90
4,967,885                   07/411,881                   11/06/90
4,967,887                   07/348,399                   11/06/90
4,967,895                   07/254,279                   11/06/90
4,967,903                   07/222,918                   11/06/90
4,967,904                   07/428,401                   11/06/90
4,967,928                   07/204,225                   11/06/90
4,967,933                   07/316,425                   11/06/90
4,967,940                   07/313,389                   11/06/90
4,967,944                   07/217,081                   11/06/90
4,967,946                   07/214,945                   11/06/90
4,967,947                   07/172,188                   11/06/90
4,967,948                   07/262,884                   11/06/90
4,967,949                   07/326,299                   11/06/90
4,967,951                   07/320,138                   11/06/90
4,967,954                   07/284,500                   11/06/90
4,967,960                   07/213,532                   11/06/90
4,967,967                   07/438,735                   11/06/90
4,967,971                   07/338,282                   11/06/90
4,967,974                   07/352,321                   11/06/90
4,967,980                   07/372,569                   11/06/90
4,967,983                   07/360,457                   11/06/90
4,967,984                   07/349,391                   11/06/90
4,967,986                   07/333,495                   11/06/90
4,967,989                   07/431,157                   11/06/90
4,967,992                   07/475,947                   11/06/90
4,967,995                   07/392,083                   11/06/90
4,967,999                   07/442,095                   11/06/90
4,968,001                   07/467,311                   11/06/90
4,968,002                   07/346,696                   11/06/90
4,968,010                   07/319,300                   11/06/90
4,968,011                   07/471,434                   11/06/90
4,968,030                   07/366,691                   11/06/90
4,968,032                   07/337,658                   11/06/90
4,968,033                   07/443,879                   11/06/90
4,968,035                   07/511,239                   11/06/90
4,968,043                   07/501,232                   11/06/90
4,968,048                   07/498,396                   11/06/90
4,968,049                   07/413,206                   11/06/90
4,968,051                   07/449,586                   11/06/90
4,968,053                   07/476,091                   11/06/90
4,968,054                   07/344,055                   11/06/90
4,968,061                   07/431,768                   11/06/90
4,968,062                   07/307,849                   11/06/90
4,968,064                   07/493,699                   11/06/90
4,968,070                   07/396,373                   11/06/90
4,968,071                   07/326,178                   11/06/90
4,968,075                   07/527,771                   11/06/90
4,968,081                   07/322,528                   11/06/90
4,968,089                   07/456,161                   11/06/90
4,968,090                   07/481,819                   11/06/90
4,968,094                   07/363,268                   11/06/90
4,968,098                   07/405,365                   11/06/90
4,968,103                   07/400,983                   11/06/90
4,968,108                   07/356,679                   11/06/90
4,968,110                   07/472,934                   11/06/90
4,968,113                   07/333,514                   11/06/90
4,968,120                   07/263,822                   11/06/90
4,968,125                   07/390,383                   11/06/90
4,968,131                   07/329,974                   11/06/90
4,968,139                   07/176,045                   11/06/90
4,968,140                   07/300,928                   11/06/90
4,968,144                   07/321,103                   11/06/90
4,968,147                   07/401,885                   11/06/90
4,968,148                   07/199,100                   11/06/90
4,968,152                   07/272,377                   11/06/90
4,968,153                   07/419,529                   11/06/90
4,968,160                   07/272,058                   11/06/90
4,968,182                   07/265,616                   11/06/90
4,968,186                   07/483,133                   11/06/90
4,968,188                   06/758,342                   11/06/90
4,968,197                   07/409,358                   11/06/90
4,968,201                   07/447,753                   11/06/90
4,968,202                   07/465,343                   11/06/90
4,968,205                   07/268,766                   11/06/90
4,968,209                   07/375,084                   11/06/90
4,968,210                   07/424,657                   11/06/90
4,968,214                   07/283,226                   11/06/90
4,968,216                   06/659,995                   11/06/90
4,968,222                   07/359,697                   11/06/90
4,968,230                   07/200,506                   11/06/90
4,968,234                   07/391,553                   11/06/90
4,968,238                   07/411,025                   11/06/90
4,968,243                   07/388,600                   11/06/90
4,968,249                   07/250,326                   11/06/90
4,968,254                   07/345,370                   11/06/90
4,968,259                   07/392,809                   11/06/90
4,968,286                   07/163,667                   11/06/90
4,968,290                   07/382,319                   11/06/90
4,968,292                   07/367,744                   11/06/90
4,968,293                   07/325,711                   11/06/90
4,968,303                   07/249,799                   11/06/90
4,968,320                   07/269,865                   11/06/90
4,968,322                   07/334,457                   11/06/90
4,968,330                   07/401,904                   11/06/90
4,968,331                   07/492,913                   11/06/90
4,968,332                   07/348,876                   11/06/90
4,968,337                   07/385,048                   11/06/90
4,968,345                   07/162,934                   11/06/90
4,968,347                   07/274,875                   11/06/90
4,968,353                   07/381,115                   11/06/90
4,968,354                   07/268,904                   11/06/90
4,968,361                   07/327,946                   11/06/90
4,968,370                   07/281,498                   11/06/90
4,968,381                   07/250,394                   11/06/90
4,968,382                   07/464,170                   11/06/90
4,968,383                   07/363,557                   11/06/90
4,968,385                   07/356,352                   11/06/90
4,968,399                   07/140,664                   11/06/90
4,968,402                   07/479,799                   11/06/90
4,968,403                   07/454,472                   11/06/90
4,968,404                   07/354,585                   11/06/90
4,968,411                   07/381,819                   11/06/90
4,968,417                   07/357,289                   11/06/90
4,968,421                   07/408,413                   11/06/90
4,968,423                   06/825,021                   11/06/90
4,968,427                   07/345,879                   11/06/90
4,968,429                   07/456,972                   11/06/90
4,968,430                   07/327,211                   11/06/90
4,968,431                   07/414,152                   11/06/90
4,968,433                   07/447,146                   11/06/90
4,968,434                   07/351,547                   11/06/90
4,968,439                   07/257,062                   11/06/90
4,968,445                   07/323,138                   11/06/90
4,968,446                   07/323,137                   11/06/90
4,968,453                   07/234,676                   11/06/90
4,968,454                   07/147,430                   11/06/90
4,968,457                   07/407,665                   11/06/90
4,968,465                   07/414,393                   11/06/90
4,968,467                   07/377,228                   11/06/90
4,968,472                   07/358,177                   11/06/90
4,968,473                   07/281,200                   11/06/90
4,968,475                   06/821,862                   11/06/90
4,968,478                   07/480,100                   11/06/90
4,968,482                   07/483,683                   11/06/90
4,968,486                   07/380,843                   11/06/90
4,968,489                   07/458,608                   11/06/90
4,968,497                   07/237,123                   11/06/90
4,968,500                   07/355,845                   11/06/90
4,968,502                   07/322,452                   11/06/90
4,968,504                   07/424,027                   11/06/90
4,968,512                   07/453,860                   11/06/90
4,968,513                   07/337,611                   11/06/90
4,968,519                   07/337,696                   11/06/90
4,968,522                   07/271,538                   11/06/90
4,968,531                   07/120,652                   11/06/90
4,968,532                   07/297,018                   11/06/90
4,968,539                   07/277,697                   11/06/90
4,968,540                   07/280,432                   11/06/90
4,968,547                   07/193,037                   11/06/90
4,968,551                   07/248,481                   11/06/90
4,968,552                   07/421,219                   11/06/90
4,968,555                   07/234,811                   11/06/90
4,968,564                   07/253,336                   11/06/90
4,968,568                   07/416,685                   11/06/90
4,968,569                   07/472,054                   11/06/90
4,968,570                   07/426,122                   11/06/90
4,968,577                   07/395,185                   11/06/90
4,968,582                   07/212,440                   11/06/90
4,968,587                   07/178,303                   11/06/90
4,968,597                   07/436,942                   11/06/90
4,968,601                   07/153,933                   11/06/90
4,968,610                   06/842,704                   11/06/90
4,968,611                   07/370,367                   11/06/90
4,968,614                   07/040,631                   11/06/90
4,968,620                   07/303,327                   11/06/90
4,968,622                   07/258,489                   11/06/90
4,968,637                   07/359,465                   11/06/90
4,968,643                   07/344,525                   11/06/90
4,968,647                   07/383,590                   11/06/90
4,968,655                   07/314,765                   11/06/90
4,968,658                   07/433,780                   11/06/90
4,968,662                   07/181,759                   11/06/90
4,968,670                   07/153,440                   11/06/90
4,968,676                   07/409,730                   11/06/90
4,968,678                   07/371,568                   11/06/90
4,968,680                   07/264,017                   11/06/90
4,968,682                   07/281,090                   11/06/90
4,968,683                   07/337,938                   11/06/90
4,968,691                   07/320,707                   11/06/90
4,968,696                   07/228,927                   11/06/90
4,968,700                   07/217,834                   11/06/90
4,968,705                   07/391,936                   11/06/90
4,968,706                   07/230,821                   11/06/90
4,968,707                   07/460,848                   11/06/90
4,968,720                   07/231,749                   11/06/90
4,968,724                   07/531,223                   11/06/90
4,968,725                   07/221,549                   11/06/90
4,968,727                   07/461,856                   11/06/90
4,968,729                   07/340,904                   11/06/90
4,968,730                   07/410,268                   11/06/90
4,968,734                   07/087,380                   11/06/90
4,968,736                   07/235,137                   11/06/90
4,968,748                   07/341,289                   11/06/90
4,968,755                   07/143,321                   11/06/90
4,968,756                   07/402,572                   11/06/90
4,968,772                   07/275,036                   11/06/90
4,968,773                   07/208,525                   11/06/90
4,968,778                   07/265,504                   11/06/90
4,968,780                   07/514,427                   11/06/90
4,968,799                   07/452,180                   11/06/90
4,968,802                   07/463,101                   11/06/90
4,968,803                   07/335,244                   11/06/90
4,968,804                   07/375,760                   11/06/90
4,968,806                   07/352,980                   11/06/90
4,968,815                   07/510,805                   11/06/90
4,968,817                   07/378,441                   11/06/90
4,968,818                   07/389,350                   11/06/90
4,968,823                   07/341,982                   11/06/90
4,968,831                   07/323,861                   11/06/90
4,968,836                   07/472,677                   11/06/90
4,968,843                   07/490,211                   11/06/90
4,968,844                   07/263,018                   11/06/90
4,968,845                   07/320,062                   11/06/90
4,968,847                   07/495,417                   11/06/90
4,968,851                   07/316,049                   11/06/90
4,968,855                   07/266,641                   11/06/90
4,968,859                   07/260,766                   11/06/90
4,968,873                   07/316,233                   11/06/90
4,968,880                   07/461,043                   11/06/90
4,968,891                   07/441,008                   11/06/90
4,968,892                   06/946,267                   11/06/90
4,968,896                   07/282,773                   11/06/90
4,968,914                   07/328,429                   11/06/90
4,968,922                   07/339,064                   11/06/90
4,968,930                   07/315,669                   11/06/90
4,968,933                   07/305,068                   11/06/90
4,968,934                   07/261,540                   11/06/90
4,968,937                   07/392,541                   11/06/90
4,968,948                   07/379,768                   11/06/90
4,968,962                   07/464,386                   11/06/90
4,968,969                   07/478,730                   11/06/90
4,968,971                   07/210,812                   11/06/90
4,968,973                   07/421,868                   11/06/90
4,968,979                   07/320,799                   11/06/90
4,968,982                   07/377,874                   11/06/90
4,968,984                   07/213,173                   11/06/90
4,968,991                   07/212,221                   11/06/90
4,968,993                   07/323,399                   11/06/90
4,968,997                   07/433,610                   11/06/90
4,969,010                   07/274,451                   11/06/90
4,969,013                   07/365,580                   11/06/90
4,969,026                   07/506,484                   11/06/90
4,969,036                   07/332,320                   11/06/90
4,969,048                   07/455,149                   11/06/90
4,969,073                   07/439,266                   11/06/90
4,969,074                   07/304,360                   11/06/90
4,969,088                   07/186,327                   11/06/90
4,969,090                   07/095,814                   11/06/90
4,969,093                   07/213,428                   11/06/90
4,969,096                   07/412,579                   11/06/90
4,969,111                   07/283,250                   11/06/90
4,969,117                   07/348,033                   11/06/90
4,969,119                   06/464,213                   11/06/90
4,969,120                   07/310,406                   11/06/90
4,969,124                   07/320,762                   11/06/90
4,969,141                   07/339,656                   11/06/90
4,969,143                   07/144,340                   11/06/90
4,969,153                   07/365,874                   11/06/90
4,969,154                   07/455,031                   11/06/90
4,969,156                   07/087,777                   11/06/90
4,969,158                   07/419,281                   11/06/90
4,969,161                   07/221,355                   11/06/90
4,969,166                   07/417,206                   11/06/90
4,969,173                   07/136,170                   11/06/90
4,969,177                   07/297,759                   11/06/90
4,969,179                   07/462,218                   11/06/90
4,969,187                   07/363,717                   11/06/90
4,969,196                   07/169,741                   11/06/90
4,969,198                   07/194,610                   11/06/90
4,969,203                   07/147,845                   11/06/90
4,969,207                   07/169,501                   11/06/90
4,969,208                   07/338,842                   11/06/90

                   PATENTS WHICH EXPIRED ON November 8, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

5,361,413                   07/711,219                   11/08/94
5,361,414                   08/128,093                   11/08/94
5,361,416                   08/152,694                   11/08/94
5,361,419                   07/760,527                   11/08/94
5,361,420                   08/039,985                   11/08/94
5,361,422                   08/064,217                   11/08/94
5,361,428                   08/138,647                   11/08/94
5,361,429                   08/148,322                   11/08/94
5,361,436                   08/107,057                   11/08/94
5,361,437                   07/991,159                   11/08/94
5,361,444                   08/226,063                   11/08/94
5,361,445                   08/023,939                   11/08/94
5,361,446                   08/058,558                   11/08/94
5,361,452                   08/054,740                   11/08/94
5,361,457                   08/047,204                   11/08/94
5,361,460                   08/173,617                   11/08/94
5,361,465                   08/014,850                   11/08/94
5,361,466                   08/138,321                   11/08/94
5,361,468                   08/081,819                   11/08/94
5,361,501                   08/120,571                   11/08/94
5,361,502                   08/120,734                   11/08/94
5,361,503                   08/072,844                   11/08/94
5,361,504                   08/104,537                   11/08/94
5,361,507                   08/055,279                   11/08/94
5,361,508                   08/113,075                   11/08/94
5,361,510                   08/122,150                   11/08/94
5,361,511                   08/099,654                   11/08/94
5,361,514                   08/062,513                   11/08/94
5,361,517                   08/074,982                   11/08/94
5,361,521                   08/008,977                   11/08/94
5,361,528                   08/066,230                   11/08/94
5,361,529                   08/063,910                   11/08/94
5,361,536                   08/137,664                   11/08/94
5,361,538                   08/050,871                   11/08/94
5,361,547                   07/936,823                   11/08/94
5,361,554                   07/972,929                   11/08/94
5,361,555                   08/056,475                   11/08/94
5,361,563                   08/145,077                   11/08/94
5,361,564                   08/075,390                   11/08/94
5,361,568                   08/193,264                   11/08/94
5,361,571                   08/084,444                   11/08/94
5,361,572                   08/052,083                   11/08/94
5,361,574                   08/107,247                   11/08/94
5,361,575                   08/029,032                   11/08/94
5,361,585                   08/081,200                   11/08/94
5,361,586                   08/046,320                   11/08/94
5,361,594                   08/166,355                   11/08/94
5,361,599                   08/089,450                   11/08/94
5,361,603                   08/111,328                   11/08/94
5,361,605                   08/208,313                   11/08/94
5,361,606                   07/927,721                   11/08/94
5,361,608                   08/040,935                   11/08/94
5,361,610                   08/124,649                   11/08/94
5,361,613                   08/042,095                   11/08/94
5,361,614                   08/045,774                   11/08/94
5,361,618                   08/041,160                   11/08/94
5,361,622                   08/118,181                   11/08/94
5,361,637                   07/973,161                   11/08/94
5,361,640                   08/114,455                   11/08/94
5,361,642                   08/100,948                   11/08/94
5,361,643                   08/100,129                   11/08/94
5,361,647                   08/130,695                   11/08/94
5,361,653                   07/914,349                   11/08/94
5,361,655                   08/112,963                   11/08/94
5,361,660                   08/024,318                   11/08/94
5,361,664                   08/027,108                   11/08/94
5,361,669                   07/851,740                   11/08/94
5,361,671                   07/754,743                   11/08/94
5,361,675                   08/006,294                   11/08/94
5,361,676                   08/092,908                   11/08/94
5,361,677                   08/179,086                   11/08/94
5,361,683                   07/897,704                   11/08/94
5,361,687                   08/046,141                   11/08/94
5,361,688                   08/083,645                   11/08/94
5,361,696                   08/099,101                   11/08/94
5,361,702                   08/042,924                   11/08/94
5,361,703                   07/888,082                   11/08/94
5,361,705                   08/146,535                   11/08/94
5,361,708                   08/015,409                   11/08/94
5,361,711                   07/991,119                   11/08/94
5,361,715                   08/071,754                   11/08/94
5,361,718                   08/147,324                   11/08/94
5,361,720                   07/996,510                   11/08/94
5,361,723                   08/112,384                   11/08/94
5,361,734                   08/121,565                   11/08/94
5,361,742                   08/014,704                   11/08/94
5,361,747                   07/888,816                   11/08/94
5,361,750                   08/076,452                   11/08/94
5,361,751                   08/168,057                   11/08/94
5,361,764                   08/087,905                   11/08/94
5,361,780                   07/865,531                   11/08/94
5,361,781                   08/040,915                   11/08/94
5,361,785                   08/116,408                   11/08/94
5,361,795                   08/210,443                   11/08/94
5,361,801                   08/059,829                   11/08/94
5,361,807                   08/141,984                   11/08/94
5,361,809                   08/054,414                   11/08/94
5,361,812                   08/036,413                   11/08/94
5,361,813                   08/012,295                   11/08/94
5,361,817                   08/120,806                   11/08/94
5,361,826                   08/034,377                   11/08/94
5,361,831                   08/053,123                   11/08/94
5,361,844                   08/077,783                   11/08/94
5,361,847                   08/037,715                   11/08/94
5,361,853                   07/981,600                   11/08/94
5,361,860                   08/062,064                   11/08/94
5,361,863                   08/131,579                   11/08/94
5,361,869                   08/134,627                   11/08/94
5,361,874                   08/128,589                   11/08/94
5,361,875                   08/200,581                   11/08/94
5,361,879                   08/105,814                   11/08/94
5,361,892                   08/132,204                   11/08/94
5,361,895                   08/100,379                   11/08/94
5,361,896                   08/089,572                   11/08/94
5,361,899                   08/184,472                   11/08/94
5,361,900                   08/059,930                   11/08/94
5,361,902                   07/894,595                   11/08/94
5,361,907                   08/110,077                   11/08/94
5,361,916                   08/118,598                   11/08/94
5,361,918                   08/066,705                   11/08/94
5,361,926                   08/135,470                   11/08/94
5,361,928                   08/073,298                   11/08/94
5,361,929                   08/065,885                   11/08/94
5,361,935                   08/182,459                   11/08/94
5,361,938                   08/170,749                   11/08/94
5,361,940                   08/068,974                   11/08/94
5,361,944                   07/920,684                   11/08/94
5,361,946                   08/063,724                   11/08/94
5,361,949                   08/032,934                   11/08/94
5,361,950                   08/059,624                   11/08/94
5,361,953                   07/866,433                   11/08/94
5,361,954                   08/048,528                   11/08/94
5,361,957                   08/112,674                   11/08/94
5,361,958                   08/120,295                   11/08/94
5,361,960                   07/939,020                   11/08/94
5,361,961                   08/024,039                   11/08/94
5,361,964                   08/032,482                   11/08/94
5,361,974                   08/068,132                   11/08/94
5,361,978                   08/005,615                   11/08/94
5,361,979                   07/981,284                   11/08/94
5,361,996                   07/992,071                   11/08/94
5,362,001                   08/052,336                   11/08/94
5,362,006                   08/024,236                   11/08/94
5,362,009                   08/138,373                   11/08/94
5,362,014                   07/829,993                   11/08/94
5,362,015                   08/135,962                   11/08/94
5,362,020                   08/039,343                   11/08/94
5,362,021                   07/881,042                   11/08/94
5,362,030                   08/005,093                   11/08/94
5,362,034                   08/112,706                   11/08/94
5,362,045                   08/121,348                   11/08/94
5,362,047                   08/180,103                   11/08/94
5,362,050                   08/124,546                   11/08/94
5,362,054                   08/119,452                   11/08/94
5,362,057                   08/124,672                   11/08/94
5,362,061                   08/167,735                   11/08/94
5,362,062                   08/229,381                   11/08/94
5,362,065                   08/197,782                   11/08/94
5,362,067                   08/197,133                   11/08/94
5,362,071                   08/127,070                   11/08/94
5,362,073                   07/964,673                   11/08/94
5,362,076                   08/048,307                   11/08/94
5,362,077                   08/170,517                   11/08/94
5,362,078                   08/055,135                   11/08/94
5,362,079                   08/075,897                   11/08/94
5,362,080                   07/987,287                   11/08/94
5,362,081                   08/029,153                   11/08/94
5,362,086                   08/082,481                   11/08/94
5,362,087                   08/105,112                   11/08/94
5,362,092                   08/091,356                   11/08/94
5,362,093                   08/091,355                   11/08/94
5,362,098                   08/104,682                   11/08/94
5,362,103                   08/106,226                   11/08/94
5,362,105                   08/210,022                   11/08/94
5,362,109                   08/034,102                   11/08/94
5,362,123                   08/151,003                   11/08/94
5,362,127                   08/111,177                   11/08/94
5,362,129                   07/953,654                   11/08/94
5,362,133                   08/037,839                   11/08/94
5,362,134                   08/011,768                   11/08/94
5,362,146                   08/213,387                   11/08/94
5,362,150                   07/986,650                   11/08/94
5,362,151                   08/035,752                   11/08/94
5,362,154                   08/107,253                   11/08/94
5,362,163                   08/133,925                   11/08/94
5,362,164                   08/125,227                   11/08/94
5,362,169                   08/138,352                   11/08/94
5,362,171                   07/959,354                   11/08/94
5,362,174                   08/033,796                   11/08/94
5,362,176                   08/003,003                   11/08/94
5,362,180                   08/082,557                   11/08/94
5,362,187                   07/970,773                   11/08/94
5,362,191                   07/995,836                   11/08/94
5,362,197                   08/086,229                   11/08/94
5,362,201                   08/090,513                   11/08/94
5,362,209                   07/704,921                   11/08/94
5,362,216                   08/002,328                   11/08/94
5,362,224                   08/146,593                   11/08/94
5,362,232                   07/967,200                   11/08/94
5,362,234                   08/124,825                   11/08/94
5,362,237                   08/075,329                   11/08/94
5,362,238                   08/135,052                   11/08/94
5,362,250                   07/981,974                   11/08/94
5,362,252                   08/151,230                   11/08/94
5,362,253                   08/176,251                   11/08/94
5,362,265                   08/060,806                   11/08/94
5,362,266                   08/079,877                   11/08/94
5,362,269                   07/968,509                   11/08/94
5,362,270                   08/106,843                   11/08/94
5,362,273                   08/183,554                   11/08/94
5,362,274                   07/606,524                   11/08/94
5,362,279                   08/102,458                   11/08/94
5,362,286                   08/051,811                   11/08/94
5,362,287                   07/939,111                   11/08/94
5,362,289                   08/076,957                   11/08/94
5,362,294                   07/951,567                   11/08/94
5,362,296                   08/223,466                   11/08/94
5,362,302                   08/207,889                   11/08/94
5,362,308                   08/132,133                   11/08/94
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