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 September 9, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

4,610,037                   06/704,905                   09/09/86
4,610,040                   06/708,821                   09/09/86
4,610,042                   06/683,605                   09/09/86
4,610,046                   06/691,921                   09/09/86
4,610,051                   06/758,492                   09/09/86
4,610,052                   06/740,385                   09/09/86
4,610,057                   06/680,848                   09/09/86
4,610,060                   06/800,255                   09/09/86
4,610,082                   06/799,891                   09/09/86
4,610,088                   06/738,733                   09/09/86
4,610,090                   06/656,649                   09/09/86
4,610,091                   06/804,336                   09/09/86
4,610,096                   06/647,106                   09/09/86
4,610,123                   06/658,103                   09/09/86
4,610,124                   06/639,319                   09/09/86
4,610,127                   06/767,675                   09/09/86
4,610,142                   06/662,875                   09/09/86
4,610,143                   06/682,877                   09/09/86
4,610,154                   06/696,380                   09/09/86
4,610,159                   06/685,992                   09/09/86
4,610,160                   06/776,724                   09/09/86
4,610,162                   06/749,233                   09/09/86
4,610,164                   06/742,188                   09/09/86
4,610,170                   06/667,819                   09/09/86
4,610,171                   06/727,727                   09/09/86
4,610,172                   06/439,038                   09/09/86
4,610,174                   06/643,229                   09/09/86
4,610,176                   06/510,941                   09/09/86
4,610,193                   06/545,567                   09/09/86
4,610,194                   06/707,351                   09/09/86
4,610,203                   06/657,289                   09/09/86
4,610,204                   06/624,214                   09/09/86
4,610,206                   06/597,901                   09/09/86
4,610,207                   06/675,817                   09/09/86
4,610,210                   06/758,656                   09/09/86
4,610,220                   06/730,389                   09/09/86
4,610,221                   06/747,574                   09/09/86
4,610,222                   06/633,445                   09/09/86
4,610,228                   06/762,108                   09/09/86
4,610,236                   06/612,858                   09/09/86
4,610,241                   06/627,423                   09/09/86
4,610,242                   06/601,456                   09/09/86
4,610,244                   06/786,692                   09/09/86
4,610,261                   06/522,216                   09/09/86
4,610,262                   06/761,726                   09/09/86
4,610,267                   06/411,298                   09/09/86
4,610,275                   06/794,517                   09/09/86
4,610,281                   06/664,345                   09/09/86
4,610,284                   06/668,763                   09/09/86
4,610,287                   06/758,168                   09/09/86
4,610,288                   06/653,493                   09/09/86
4,610,300                   06/651,278                   09/09/86
4,610,313                   06/739,884                   09/09/86
4,610,314                   06/692,938                   09/09/86
4,610,315                   06/712,642                   09/09/86
4,610,327                   06/636,249                   09/09/86
4,610,331                   06/548,009                   09/09/86
4,610,332                   06/764,966                   09/09/86
4,610,340                   06/547,315                   09/09/86
4,610,356                   06/656,014                   09/09/86
4,610,361                   06/666,019                   09/09/86
4,610,368                   06/771,001                   09/09/86
4,610,370                   06/814,686                   09/09/86
4,610,394                   06/245,396                   09/09/86
4,610,403                   06/575,442                   09/09/86
4,610,411                   06/756,120                   09/09/86
4,610,412                   06/642,681                   09/09/86
4,610,415                   06/506,901                   09/09/86
4,610,419                   06/774,582                   09/09/86
4,610,423                   06/708,579                   09/09/86
4,610,424                   06/674,834                   09/09/86
4,610,428                   06/793,020                   09/09/86
4,610,431                   06/712,993                   09/09/86
4,610,446                   06/685,782                   09/09/86
4,610,449                   06/769,456                   09/09/86
4,610,455                   06/658,190                   09/09/86
4,610,460                   06/602,161                   09/09/86
4,610,461                   06/745,530                   09/09/86
4,610,465                   06/543,518                   09/09/86
4,610,468                   06/640,740                   09/09/86
4,610,469                   06/575,325                   09/09/86
4,610,470                   06/638,067                   09/09/86
4,610,471                   06/792,445                   09/09/86
4,610,477                   06/735,445                   09/09/86
4,610,486                   06/716,856                   09/09/86
4,610,493                   06/822,916                   09/09/86
4,610,503                   06/642,526                   09/09/86
4,610,506                   06/568,725                   09/09/86
4,610,547                   06/752,851                   09/09/86
4,610,571                   06/787,060                   09/09/86
4,610,579                   06/732,124                   09/09/86
4,610,593                   06/610,360                   09/09/86
4,610,599                   06/528,871                   09/09/86
4,610,602                   06/746,556                   09/09/86
4,610,609                   06/618,597                   09/09/86
4,610,627                   06/677,861                   09/09/86
4,610,632                   06/610,123                   09/09/86
4,610,655                   06/613,035                   09/09/86
4,610,660                   06/683,054                   09/09/86
4,610,663                   06/683,052                   09/09/86
4,610,664                   06/639,076                   09/09/86
4,610,667                   06/689,909                   09/09/86
4,610,674                   06/770,720                   09/09/86
4,610,675                   06/756,554                   09/09/86
4,610,676                   06/611,423                   09/09/86
4,610,677                   06/779,628                   09/09/86
4,610,678                   06/529,900                   09/09/86
4,610,684                   06/623,065                   09/09/86
4,610,685                   06/774,111                   09/09/86
4,610,697                   06/683,460                   09/09/86
4,610,699                   06/688,654                   09/09/86
4,610,700                   06/657,594                   09/09/86
4,610,702                   06/694,453                   09/09/86
4,610,703                   06/824,610                   09/09/86
4,610,705                   06/668,716                   09/09/86
4,610,707                   06/772,977                   09/09/86
4,610,709                   06/694,284                   09/09/86
4,610,711                   06/656,292                   09/09/86
4,610,714                   06/668,036                   09/09/86
4,610,719                   06/779,311                   09/09/86
4,610,721                   06/696,980                   09/09/86
4,610,722                   06/696,977                   09/09/86
4,610,732                   06/714,398                   09/09/86
4,610,744                   06/773,963                   09/09/86
4,610,748                   06/679,898                   09/09/86
4,610,754                   06/617,059                   09/09/86
4,610,760                   06/643,925                   09/09/86
4,610,769                   06/658,725                   09/09/86
4,610,774                   06/797,993                   09/09/86
4,610,778                   06/741,023                   09/09/86
4,610,797                   06/737,314                   09/09/86
4,610,802                   06/660,385                   09/09/86
4,610,812                   06/784,059                   09/09/86
4,610,814                   06/616,944                   09/09/86
4,610,816                   06/621,021                   09/09/86
4,610,817                   06/513,023                   09/09/86
4,610,831                   06/597,231                   09/09/86
4,610,841                   06/582,519                   09/09/86
4,610,854                   06/437,709                   09/09/86
4,610,868                   06/591,576                   09/09/86
4,610,870                   06/658,005                   09/09/86
4,610,878                   06/504,986                   09/09/86
4,610,888                   06/735,443                   09/09/86
4,610,891                   06/802,201                   09/09/86
4,610,893                   06/683,463                   09/09/86
4,610,898                   06/714,043                   09/09/86
4,610,905                   06/553,215                   09/09/86
4,610,908                   06/730,256                   09/09/86
4,610,917                   06/794,300                   09/09/86
4,610,919                   06/744,773                   09/09/86
4,610,922                   06/809,523                   09/09/86
4,610,927                   06/647,636                   09/09/86
4,610,930                   06/714,068                   09/09/86
4,610,936                   06/672,509                   09/09/86
4,610,937                   06/555,711                   09/09/86
4,610,947                   06/716,447                   09/09/86
4,610,949                   06/697,569                   09/09/86
4,610,953                   06/614,908                   09/09/86
4,610,955                   06/813,189                   09/09/86
4,610,958                   06/678,333                   09/09/86
4,610,963                   06/678,767                   09/09/86
4,610,974                   06/725,440                   09/09/86
4,611,001                   06/731,730                   09/09/86
4,611,002                   06/618,720                   09/09/86
4,611,005                   06/736,628                   09/09/86
4,611,006                   06/749,912                   09/09/86
4,611,007                   06/725,976                   09/09/86
4,611,010                   06/732,276                   09/09/86
4,611,012                   06/724,487                   09/09/86
4,611,015                   06/681,348                   09/09/86
4,611,027                   06/676,154                   09/09/86
4,611,030                   06/715,477                   09/09/86
4,611,036                   06/679,648                   09/09/86
4,611,040                   06/741,376                   09/09/86
4,611,044                   06/737,984                   09/09/86
4,611,048                   06/784,362                   09/09/86
4,611,050                   06/713,282                   09/09/86
4,611,057                   06/598,969                   09/09/86
4,611,060                   06/784,402                   09/09/86
4,611,062                   06/790,224                   09/09/86
4,611,064                   06/788,575                   09/09/86
4,611,065                   06/695,146                   09/09/86
4,611,069                   06/624,307                   09/09/86
4,611,070                   06/336,703                   09/09/86
4,611,074                   06/672,831                   09/09/86
4,611,089                   06/619,052                   09/09/86
4,611,100                   06/664,240                   09/09/86
4,611,108                   06/531,346                   09/09/86
4,611,113                   06/695,221                   09/09/86
4,611,114                   06/785,087                   09/09/86
4,611,121                   06/601,410                   09/09/86
4,611,125                   06/575,410                   09/09/86
4,611,126                   06/657,557                   09/09/86
4,611,131                   06/528,372                   09/09/86
4,611,149                   06/669,206                   09/09/86
4,611,150                   06/641,309                   09/09/86
4,611,153                   06/528,288                   09/09/86
4,611,161                   06/464,497                   09/09/86
4,611,163                   06/705,064                   09/09/86
4,611,165                   06/595,162                   09/09/86
4,611,167                   06/711,717                   09/09/86
4,611,168                   06/533,902                   09/09/86
4,611,191                   06/731,268                   09/09/86
4,611,194                   06/766,371                   09/09/86
4,611,196                   06/720,946                   09/09/86
4,611,198                   06/777,770                   09/09/86
4,611,201                   06/766,266                   09/09/86
4,611,202                   06/543,108                   09/09/86
4,611,203                   06/591,099                   09/09/86
4,611,204                   06/668,341                   09/09/86
4,611,206                   06/418,268                   09/09/86
4,611,207                   06/547,591                   09/09/86
4,611,213                   06/619,089                   09/09/86
4,611,229                   06/505,518                   09/09/86
4,611,230                   06/683,125                   09/09/86
4,611,234                   06/562,462                   09/09/86
4,611,242                   06/607,988                   09/09/86
4,611,248                   06/758,564                   09/09/86
4,611,253                   06/625,141                   09/09/86
4,611,272                   06/463,469                   09/09/86
4,611,274                   06/518,450                   09/09/86
4,611,277                   06/533,064                   09/09/86
4,611,279                   06/485,085                   09/09/86
4,611,283                   06/335,951                   09/09/86
4,611,284                   06/531,209                   09/09/86
4,611,316                   06/561,654                   09/09/86
4,611,317                   06/561,653                   09/09/86
4,611,324                   06/669,279                   09/09/86
4,611,325                   06/685,198                   09/09/86
4,611,337                   06/527,470                   09/09/86
4,611,341                   06/577,074                   09/09/86
4,611,346                   06/537,279                   09/09/86

                  PATENTS WHICH EXPIRED ON September 4, 1998
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                     Application                      Issue
Number                        Number                         Date

4,953,232                   07/361,642                   09/04/90
4,953,235                   07/205,360                   09/04/90
4,953,239                   07/216,151                   09/04/90
4,953,241                   07/292,395                   09/04/90
4,953,245                   07/446,079                   09/04/90
4,953,253                   07/373,068                   09/04/90
4,953,255                   07/324,443                   09/04/90
4,953,256                   07/306,733                   09/04/90
4,953,258                   07/377,327                   09/04/90
4,953,264                   07/209,016                   09/04/90
4,953,265                   07/317,299                   09/04/90
4,953,271                   07/410,311                   09/04/90
4,953,272                   07/333,125                   09/04/90
4,953,273                   07/356,518                   09/04/90
4,953,281                   07/354,455                   09/04/90
4,953,282                   07/371,142                   09/04/90
4,953,290                   07/385,012                   09/04/90
4,953,292                   07/412,340                   09/04/90
4,953,293                   07/354,385                   09/04/90
4,953,295                   07/479,490                   09/04/90
4,953,298                   07/315,153                   09/04/90
4,953,301                   07/456,510                   09/04/90
4,953,302                   07/414,378                   09/04/90
4,953,306                   07/183,828                   09/04/90
4,953,307                   07/347,176                   09/04/90
4,953,315                   07/290,425                   09/04/90
4,953,316                   07/412,193                   09/04/90
4,953,317                   07/376,833                   09/04/90
4,953,319                   07/385,218                   09/04/90
4,953,324                   07/330,828                   09/04/90
4,953,330                   07/216,496                   09/04/90
4,953,337                   07/130,015                   09/04/90
4,953,351                   07/270,087                   09/04/90
4,953,353                   07/397,211                   09/04/90
4,953,354                   07/269,639                   09/04/90
4,953,356                   07/345,917                   09/04/90
4,953,359                   07/338,606                   09/04/90
4,953,368                   07/156,789                   09/04/90
4,953,372                   07/247,675                   09/04/90
4,953,375                   07/480,858                   09/04/90
4,953,380                   07/373,800                   09/04/90
4,953,383                   07/366,083                   09/04/90
4,953,390                   07/351,215                   09/04/90
4,953,393                   07/069,309                   09/04/90
4,953,396                   07/395,832                   09/04/90
4,953,397                   07/384,638                   09/04/90
4,953,398                   07/260,088                   09/04/90
4,953,406                   07/416,025                   09/04/90
4,953,407                   07/229,873                   09/04/90
4,953,415                   07/389,518                   09/04/90
4,953,427                   07/399,170                   09/04/90
4,953,431                   07/276,625                   09/04/90
4,953,436                   07/422,757                   09/04/90
4,953,441                   07/203,556                   09/04/90
4,953,447                   07/317,915                   09/04/90
4,953,451                   07/431,091                   09/04/90
4,953,456                   07/359,654                   09/04/90
4,953,457                   07/323,331                   09/04/90
4,953,459                   07/237,703                   09/04/90
4,953,461                   07/196,439                   09/04/90
4,953,469                   07/407,862                   09/04/90
4,953,470                   07/276,353                   09/04/90
4,953,475                   07/447,329                   09/04/90
4,953,481                   07/401,761                   09/04/90
4,953,486                   07/261,879                   09/04/90
4,953,488                   07/223,939                   09/04/90
4,953,493                   07/288,224                   09/04/90
4,953,494                   07/195,910                   09/04/90
4,953,497                   07/115,263                   09/04/90
4,953,499                   07/389,212                   09/04/90
4,953,506                   07/184,437                   09/04/90
4,953,508                   07/315,099                   09/04/90
4,953,514                   07/404,857                   09/04/90
4,953,516                   07/364,319                   09/04/90
4,953,518                   07/339,193                   09/04/90
4,953,519                   07/391,031                   09/04/90
4,953,524                   07/395,720                   09/04/90
4,953,534                   07/466,614                   09/04/90
4,953,542                   07/271,958                   09/04/90
4,953,544                   07/467,389                   09/04/90
4,953,545                   07/423,352                   09/04/90
4,953,560                   07/447,466                   09/04/90
4,953,561                   07/411,041                   09/04/90
4,953,566                   07/337,939                   09/04/90
4,953,569                   07/194,930                   09/04/90
4,953,572                   07/157,948                   09/04/90
4,953,575                   07/415,636                   09/04/90
4,953,576                   07/345,991                   09/04/90
4,953,577                   07/375,954                   09/04/90
4,953,586                   07/465,437                   09/04/90
4,953,587                   07/460,865                   09/04/90
4,953,588                   07/394,647                   09/04/90
4,953,590                   07/331,381                   09/04/90
4,953,592                   07/390,039                   09/04/90
4,953,601                   07/353,646                   09/04/90
4,953,602                   07/447,626                   09/04/90
4,953,607                   07/365,953                   09/04/90
4,953,621                   07/349,881                   09/04/90
4,953,623                   07/324,386                   09/04/90
4,953,630                   07/413,391                   09/04/90
4,953,633                   07/430,817                   09/04/90
4,953,634                   07/341,006                   09/04/90
4,953,636                   07/210,784                   09/04/90
4,953,637                   07/347,716                   09/04/90
4,953,640                   07/395,997                   09/04/90
4,953,643                   07/318,963                   09/04/90
4,953,646                   07/348,134                   09/04/90
4,953,648                   07/472,403                   09/04/90
4,953,649                   07/279,557                   09/04/90
4,953,650                   07/322,502                   09/04/90
4,953,652                   07/187,920                   09/04/90
4,953,659                   07/398,792                   09/04/90
4,953,660                   07/308,134                   09/04/90
4,953,665                   07/342,009                   09/04/90
4,953,672                   07/331,209                   09/04/90
4,953,687                   07/247,709                   09/04/90
4,953,691                   07/222,766                   09/04/90
4,953,695                   07/410,785                   09/04/90
4,953,700                   07/477,248                   09/04/90
4,953,702                   07/402,223                   09/04/90
4,953,710                   07/287,022                   09/04/90
4,953,715                   07/389,415                   09/04/90
4,953,720                   07/422,950                   09/04/90
4,953,721                   07/281,590                   09/04/90
4,953,723                   07/391,048                   09/04/90
4,953,726                   07/343,599                   09/04/90
4,953,729                   07/413,123                   09/04/90
4,953,732                   07/492,349                   09/04/90
4,953,738                   07/157,804                   09/04/90
4,953,740                   07/319,018                   09/04/90
4,953,741                   07/385,349                   09/04/90
4,953,750                   07/332,581                   09/04/90
4,953,755                   07/252,688                   09/04/90
4,953,757                   07/365,703                   09/04/90
4,953,758                   07/245,025                   09/04/90
4,953,759                   07/338,800                   09/04/90
4,953,762                   07/248,987                   09/04/90
4,953,766                   07/430,868                   09/04/90
4,953,768                   07/316,812                   09/04/90
4,953,776                   07/407,637                   09/04/90
4,953,779                   07/203,068                   09/04/90
4,953,783                   07/286,694                   09/04/90
4,953,784                   07/334,819                   09/04/90
4,953,787                   07/260,479                   09/04/90
4,953,788                   07/252,242                   09/04/90
4,953,797                   07/437,236                   09/04/90
4,953,802                   07/279,184                   09/04/90
4,953,805                   07/272,101                   09/04/90
4,953,806                   07/338,404                   09/04/90
4,953,813                   07/291,688                   09/04/90
4,953,817                   07/408,863                   09/04/90
4,953,819                   07/437,024                   09/04/90
4,953,823                   07/385,308                   09/04/90
4,953,830                   07/413,876                   09/04/90
4,953,831                   07/369,190                   09/04/90
4,953,839                   07/414,171                   09/04/90
4,953,841                   07/254,581                   09/04/90
4,953,843                   07/223,958                   09/04/90
4,953,844                   07/314,036                   09/04/90
4,953,848                   07/409,060                   09/04/90
4,953,850                   07/413,119                   09/04/90
4,953,852                   07/186,453                   09/04/90
4,953,854                   07/396,650                   09/04/90
4,953,857                   07/385,380                   09/04/90
4,953,858                   06/928,552                   09/04/90
4,953,862                   07/339,689                   09/04/90
4,953,869                   07/401,234                   09/04/90
4,953,872                   07/388,842                   09/04/90
4,953,874                   07/453,822                   09/04/90
4,953,876                   07/272,193                   09/04/90
4,953,879                   07/292,389                   09/04/90
4,953,886                   07/382,911                   09/04/90
4,953,887                   07/321,709                   09/04/90
4,953,888                   07/390,406                   09/04/90
4,953,891                   07/294,164                   09/04/90
4,953,892                   07/341,542                   09/04/90
4,953,895                   07/354,924                   09/04/90
4,953,900                   07/520,021                   09/04/90
4,953,901                   07/473,905                   09/04/90
4,953,902                   07/247,403                   09/04/90
4,953,912                   07/385,822                   09/04/90
4,953,915                   07/387,621                   09/04/90
4,953,921                   07/105,382                   09/04/90
4,953,925                   07/383,826                   09/04/90
4,953,942                   07/332,733                   09/04/90
4,953,950                   07/271,270                   09/04/90
4,953,951                   07/143,492                   09/04/90
4,953,954                   07/308,580                   09/04/90
4,953,959                   07/348,680                   09/04/90
4,953,963                   07/394,875                   09/04/90
4,953,964                   07/263,435                   09/04/90
4,953,967                   07/359,706                   09/04/90
4,953,968                   07/327,046                   09/04/90
4,953,969                   07/378,030                   09/04/90
4,953,972                   07/290,754                   09/04/90
4,953,980                   07/228,741                   09/04/90
4,953,981                   07/389,136                   09/04/90
4,953,983                   07/172,921                   09/04/90
4,953,985                   07/381,046                   09/04/90
4,953,986                   07/348,740                   09/04/90
4,954,001                   07/412,663                   09/04/90
4,954,003                   07/428,065                   09/04/90
4,954,004                   07/365,901                   09/04/90
4,954,013                   07/062,132                   09/04/90
4,954,019                   07/395,811                   09/04/90
4,954,020                   07/322,346                   09/04/90
4,954,026                   07/474,193                   09/04/90
4,954,032                   07/435,190                   09/04/90
4,954,035                   07/261,506                   09/04/90
4,954,039                   07/263,532                   09/04/90
4,954,040                   07/322,999                   09/04/90
4,954,045                   07/259,039                   09/04/90
4,954,048                   07/292,335                   09/04/90
4,954,050                   07/352,056                   09/04/90
4,954,052                   07/324,546                   09/04/90
4,954,065                   07/406,848                   09/04/90
4,954,066                   07/286,925                   09/04/90
4,954,067                   07/303,348                   09/04/90
4,954,068                   07/303,350                   09/04/90
4,954,076                   07/387,321                   09/04/90
4,954,081                   07/279,027                   09/04/90
4,954,091                   07/450,540                   09/04/90
4,954,093                   07/343,603                   09/04/90
4,954,108                   07/444,997                   09/04/90
4,954,109                   07/382,297                   09/04/90
4,954,114                   07/418,201                   09/04/90
4,954,118                   07/414,030                   09/04/90
4,954,124                   07/303,310                   09/04/90
4,954,127                   07/371,874                   09/04/90
4,954,129                   07/224,074                   09/04/90
4,954,130                   07/341,701                   09/04/90
4,954,131                   07/385,496                   09/04/90
4,954,133                   06/828,934                   09/04/90
4,954,134                   07/386,914                   09/04/90
4,954,135                   07/392,758                   09/04/90
4,954,144                   07/406,225                   09/04/90
4,954,153                   07/374,910                   09/04/90
4,954,155                   07/178,726                   09/04/90
4,954,156                   07/297,165                   09/04/90
4,954,160                   07/247,273                   09/04/90
4,954,174                   07/235,569                   09/04/90
4,954,183                   07/327,086                   09/04/90
4,954,185                   07/216,117                   09/04/90
4,954,186                   07/177,094                   09/04/90
4,954,189                   07/250,395                   09/04/90
4,954,196                   07/400,433                   09/04/90
4,954,197                   07/330,664                   09/04/90
4,954,199                   07/076,951                   09/04/90
4,954,200                   07/289,568                   09/04/90
4,954,201                   07/277,137                   09/04/90
4,954,208                   06/643,745                   09/04/90
4,954,210                   07/432,059                   09/04/90
4,954,211                   07/164,110                   09/04/90
4,954,213                   07/263,571                   09/04/90
4,954,215                   07/346,112                   09/04/90
4,954,216                   07/456,231                   09/04/90
4,954,222                   07/273,261                   09/04/90
4,954,225                   07/463,261                   09/04/90
4,954,226                   07/427,922                   09/04/90
4,954,228                   07/294,145                   09/04/90
4,954,234                   07/437,546                   09/04/90
4,954,240                   07/286,100                   09/04/90
4,954,241                   07/287,398                   09/04/90
4,954,245                   07/287,397                   09/04/90
4,954,250                   07/352,356                   09/04/90
4,954,255                   07/326,222                   09/04/90
4,954,258                   07/269,642                   09/04/90
4,954,259                   07/148,498                   09/04/90
4,954,262                   07/429,379                   09/04/90
4,954,270                   07/316,379                   09/04/90
4,954,277                   07/401,373                   09/04/90
4,954,280                   07/202,087                   09/04/90
4,954,303                   07/308,720                   09/04/90
4,954,304                   07/331,144                   09/04/90
4,954,312                   07/285,056                   09/04/90
4,954,314                   07/476,544                   09/04/90
4,954,323                   07/265,739                   09/04/90
4,954,327                   07/231,353                   09/04/90
4,954,333                   07/304,075                   09/04/90
4,954,334                   07/296,483                   09/04/90
4,954,336                   07/354,870                   09/04/90
4,954,342                   07/249,776                   09/04/90
4,954,347                   07/189,544                   09/04/90
4,954,353                   07/291,707                   09/04/90
4,954,354                   07/208,329                   09/04/90
4,954,355                   07/175,149                   09/04/90
4,954,359                   07/351,610                   09/04/90
4,954,363                   07/219,107                   09/04/90
4,954,368                   07/343,498                   09/04/90
4,954,370                   07/289,994                   09/04/90
4,954,373                   07/278,700                   09/04/90
4,954,377                   07/274,587                   09/04/90
4,954,378                   07/272,941                   09/04/90
4,954,381                   07/171,497                   09/04/90
4,954,383                   07/225,743                   09/04/90
4,954,384                   07/463,921                   09/04/90
4,954,385                   07/259,276                   09/04/90
4,954,386                   07/281,365                   09/04/90
4,954,389                   07/375,764                   09/04/90
4,954,390                   07/252,877                   09/04/90
4,954,398                   07/299,904                   09/04/90
4,954,403                   07/478,796                   09/04/90
4,954,409                   07/052,817                   09/04/90
4,954,421                   06/847,188                   09/04/90
4,954,431                   07/370,814                   09/04/90
4,954,432                   07/291,750                   09/04/90
4,954,435                   07/002,334                   09/04/90
4,954,438                   07/397,061                   09/04/90
4,954,443                   07/274,604                   09/04/90
4,954,447                   07/223,125                   09/04/90
4,954,451                   07/371,253                   09/04/90
4,954,457                   07/467,850                   09/04/90
4,954,464                   07/443,211                   09/04/90
4,954,467                   07/264,295                   09/04/90
4,954,469                   07/368,077                   09/04/90
4,954,480                   07/197,583                   09/04/90
4,954,482                   07/384,052                   09/04/90
4,954,485                   07/200,903                   09/04/90
4,954,486                   07/456,201                   09/04/90
4,954,487                   07/312,354                   09/04/90
4,954,493                   07/206,375                   09/04/90
4,954,494                   07/303,879                   09/04/90
4,954,497                   07/310,926                   09/04/90
4,954,501                   07/247,868                   09/04/90
4,954,504                   07/193,969                   09/04/90
4,954,509                   07/312,648                   09/04/90
4,954,513                   07/288,827                   09/04/90
4,954,514                   07/451,743                   09/04/90
4,954,517                   07/405,382                   09/04/90
4,954,520                   07/299,366                   09/04/90
4,954,524                   07/333,812                   09/04/90
4,954,525                   06/260,870                   09/04/90
4,954,529                   07/278,966                   09/04/90
4,954,545                   07/283,350                   09/04/90
4,954,550                   07/163,753                   09/04/90
4,954,551                   07/331,163                   09/04/90
4,954,559                   07/402,293                   09/04/90
4,954,560                   07/373,923                   09/04/90
4,954,561                   07/373,925                   09/04/90
4,954,564                   07/214,968                   09/04/90
4,954,575                   07/458,396                   09/04/90
4,954,582                   07/404,468                   09/04/90
4,954,587                   07/356,801                   09/04/90
4,954,590                   07/327,875                   09/04/90
4,954,613                   07/326,568                   09/04/90
4,954,615                   07/208,414                   09/04/90
4,954,623                   07/434,219                   09/04/90
4,954,627                   07/277,739                   09/04/90
4,954,628                   07/317,769                   09/04/90
4,954,634                   07/221,953                   09/04/90
4,954,636                   07/374,891                   09/04/90
4,954,639                   07/399,131                   09/04/90
4,954,645                   07/385,049                   09/04/90
4,954,656                   07/480,037                   09/04/90
4,954,657                   07/267,170                   09/04/90
4,954,660                   07/264,035                   09/04/90
4,954,665                   06/900,275                   09/04/90
4,954,680                   07/380,453                   09/04/90
4,954,682                   07/345,683                   09/04/90
4,954,695                   07/195,558                   09/04/90
4,954,698                   07/240,453                   09/04/90
4,954,702                   07/257,367                   09/04/90
4,954,706                   07/330,495                   09/04/90
4,954,710                   07/343,627                   09/04/90
4,954,713                   07/377,361                   09/04/90
4,954,714                   07/248,723                   09/04/90
4,954,715                   07/474,628                   09/04/90
4,954,717                   07/283,982                   09/04/90
4,954,726                   07/456,043                   09/04/90
4,954,727                   07/227,974                   09/04/90
4,954,730                   07/342,224                   09/04/90
4,954,736                   07/340,764                   09/04/90
4,954,745                   07/327,074                   09/04/90
4,954,749                   07/271,557                   09/04/90
4,954,758                   07/221,936                   09/04/90
4,954,759                   07/168,678                   09/04/90
4,954,773                   07/227,304                   09/04/90
4,954,774                   07/366,106                   09/04/90
4,954,775                   07/306,086                   09/04/90
4,954,777                   07/282,450                   09/04/90
4,954,778                   07/311,356                   09/04/90
4,954,790                   07/437,510                   09/04/90
4,954,791                   07/414,946                   09/04/90
4,954,792                   07/394,342                   09/04/90
4,954,801                   07/448,317                   09/04/90
4,954,803                   07/324,391                   09/04/90
4,954,804                   07/318,333                   09/04/90
4,954,805                   07/475,541                   09/04/90
4,954,820                   07/327,611                   09/04/90
4,954,824                   07/244,295                   09/04/90
4,954,827                   07/269,011                   09/04/90
4,954,833                   07/376,278                   09/04/90
4,954,834                   07/215,117                   09/04/90
4,954,836                   07/121,430                   09/04/90
4,954,850                   07/231,714                   09/04/90
4,954,861                   07/355,596                   09/04/90
4,954,862                   07/203,007                   09/04/90
4,954,879                   07/287,211                   09/04/90
4,954,888                   07/309,085                   09/04/90
4,954,889                   07/443,880                   09/04/90
4,954,894                   07/322,483                   09/04/90
4,954,901                   06/579,561                   09/04/90
4,954,904                   07/283,838                   09/04/90
4,954,907                   07/227,588                   09/04/90
4,954,909                   07/462,350                   09/04/90
4,954,918                   07/323,692                   09/04/90
4,954,926                   07/385,309                   09/04/90
4,954,928                   07/245,257                   09/04/90
4,954,933                   07/409,020                   09/04/90
4,954,942                   07/272,757                   09/04/90
4,954,950                   06/908,532                   09/04/90
4,954,955                   07/074,999                   09/04/90
4,954,956                   07/131,405                   09/04/90
4,954,973                   07/174,762                   09/04/90
4,954,980                   07/330,088                   09/04/90
4,954,981                   07/245,908                   09/04/90
4,954,985                   07/192,016                   09/04/90
4,954,995                   07/350,437                   09/04/90
4,955,002                   07/387,713                   09/04/90
4,955,003                   06/617,282                   09/04/90
4,955,009                   07/184,985                   09/04/90
4,955,015                   07/229,295                   09/04/90
4,955,020                   07/374,086                   09/04/90
4,955,023                   07/164,021                   09/04/90
4,955,027                   07/257,291                   09/04/90
4,955,032                   07/185,124                   09/04/90
4,955,034                   07/317,316                   09/04/90
4,955,037                   07/300,116                   09/04/90
4,955,060                   07/069,310                   09/04/90
4,955,071                   07/339,459                   09/04/90
4,955,075                   07/258,935                   09/04/90
4,955,078                   07/249,635                   09/04/90
4,955,085                   07/164,933                   09/04/90

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

Patent                     Application                      Issue
Number                        Number                         Date

5,343,561                   07/671,772                   09/06/94
5,343,563                   08/139,766                   09/06/94
5,343,565                   07/809,284                   09/06/94
5,343,567                   08/018,057                   09/06/94
5,343,569                   08/096,902                   09/06/94
5,343,572                   08/090,336                   09/06/94
5,343,574                   07/941,442                   09/06/94
5,343,577                   07/905,679                   09/06/94
5,343,578                   08/082,780                   09/06/94
5,343,582                   08/125,172                   09/06/94
5,343,585                   07/924,756                   09/06/94
5,343,588                   08/133,285                   09/06/94
5,343,591                   07/927,958                   09/06/94
5,343,599                   07/963,428                   09/06/94
5,343,608                   08/098,575                   09/06/94
5,343,612                   08/119,724                   09/06/94
5,343,614                   07/920,301                   09/06/94
5,343,620                   08/046,452                   09/06/94
5,343,625                   07/981,505                   09/06/94
5,343,627                   08/065,067                   09/06/94
5,343,634                   08/156,303                   09/06/94
5,343,636                   08/042,655                   09/06/94
5,343,642                   08/074,970                   09/06/94
5,343,643                   07/867,215                   09/06/94
5,343,649                   08/118,348                   09/06/94
5,343,654                   08/181,007                   09/06/94
5,343,660                   07/905,362                   09/06/94
5,343,662                   07/968,355                   09/06/94
5,343,663                   07/879,569                   09/06/94
5,343,668                   08/076,078                   09/06/94
5,343,672                   07/985,040                   09/06/94
5,343,675                   07/721,298                   09/06/94
5,343,679                   08/159,514                   09/06/94
5,343,684                   08/046,615                   09/06/94
5,343,685                   07/871,200                   09/06/94
5,343,687                   08/036,362                   09/06/94
5,343,696                   08/075,510                   09/06/94
5,343,697                   08/098,994                   09/06/94
5,343,704                   08/017,624                   09/06/94
5,343,711                   08/000,118                   09/06/94
5,343,714                   07/886,544                   09/06/94
5,343,718                   08/090,481                   09/06/94
5,343,720                   07/852,385                   09/06/94
5,343,722                   08/095,283                   09/06/94
5,343,724                   08/059,114                   09/06/94
5,343,740                   08/113,718                   09/06/94
5,343,742                   08/127,618                   09/06/94
5,343,743                   07/543,771                   09/06/94
5,343,747                   07/895,089                   09/06/94
5,343,748                   08/040,730                   09/06/94
5,343,776                   07/931,796                   09/06/94
5,343,782                   07/936,994                   09/06/94
5,343,786                   08/036,321                   09/06/94
5,343,788                   07/937,262                   09/06/94
5,343,794                   06/313,887                   09/06/94
5,343,795                   07/788,911                   09/06/94
5,343,800                   08/156,728                   09/06/94
5,343,801                   08/053,044                   09/06/94
5,343,806                   08/120,128                   09/06/94
5,343,809                   08/050,093                   09/06/94
5,343,811                   08/157,356                   09/06/94
5,343,813                   08/089,244                   09/06/94
5,343,819                   08/130,365                   09/06/94
5,343,821                   08/069,822                   09/06/94
5,343,824                   08/136,913                   09/06/94
5,343,825                   08/094,487                   09/06/94
5,343,826                   07/922,814                   09/06/94
5,343,832                   07/977,240                   09/06/94
5,343,839                   08/158,278                   09/06/94
5,343,856                   07/977,666                   09/06/94
5,343,879                   07/721,860                   09/06/94
5,343,880                   07/932,891                   09/06/94
5,343,884                   08/114,847                   09/06/94
5,343,888                   08/037,556                   09/06/94
5,343,889                   07/947,486                   09/06/94
5,343,893                   08/030,634                   09/06/94
5,343,908                   08/119,427                   09/06/94
5,343,910                   08/097,757                   09/06/94
5,343,921                   08/068,278                   09/06/94
5,343,925                   07/910,012                   09/06/94
5,343,927                   08/030,224                   09/06/94
5,343,929                   07/915,997                   09/06/94
5,343,930                   08/035,642                   09/06/94
5,343,944                   07/942,897                   09/06/94
5,343,948                   08/063,200                   09/06/94
5,343,963                   07/831,202                   09/06/94
5,343,965                   07/962,870                   09/06/94
5,343,969                   07/898,100                   09/06/94
5,343,972                   07/903,221                   09/06/94
5,343,974                   07/911,928                   09/06/94
5,343,978                   08/051,967                   09/06/94
5,343,979                   07/797,873                   09/06/94
5,343,981                   08/125,767                   09/06/94
5,343,982                   07/981,297                   09/06/94
5,343,987                   07/820,660                   09/06/94
5,343,988                   07/768,662                   09/06/94
5,343,989                   07/991,687                   09/06/94
5,343,992                   07/976,972                   09/06/94
5,343,996                   08/098,772                   09/06/94
5,343,997                   07/972,833                   09/06/94
5,344,002                   08/023,456                   09/06/94
5,344,003                   08/051,501                   09/06/94
5,344,009                   07/970,567                   09/06/94
5,344,028                   07/977,412                   09/06/94
5,344,029                   08/218,712                   09/06/94
5,344,037                   08/049,702                   09/06/94
5,344,039                   07/941,670                   09/06/94
5,344,041                   08/121,338                   09/06/94
5,344,042                   08/085,074                   09/06/94
5,344,049                   08/083,359                   09/06/94
5,344,055                   08/105,642                   09/06/94
5,344,056                   07/941,666                   09/06/94
5,344,063                   07/951,192                   09/06/94
5,344,065                   08/119,839                   09/06/94
5,344,081                   08/117,888                   09/06/94
5,344,093                   07/904,560                   09/06/94
5,344,097                   07/883,811                   09/06/94
5,344,099                   08/045,144                   09/06/94
5,344,109                   08/029,007                   09/06/94
5,344,111                   08/109,668                   09/06/94
5,344,114                   08/040,478                   09/06/94
5,344,115                   07/988,210                   09/06/94
5,344,139                   08/149,300                   09/06/94
5,344,141                   08/044,641                   09/06/94
5,344,146                   08/038,841                   09/06/94
5,344,147                   07/946,840                   09/06/94
5,344,148                   07/971,821                   09/06/94
5,344,156                   07/970,355                   09/06/94
5,344,158                   08/181,014                   09/06/94
5,344,160                   07/986,573                   09/06/94
5,344,162                   08/007,962                   09/06/94
5,344,171                   08/001,130                   09/06/94
5,344,172                   08/014,265                   09/06/94
5,344,179                   07/980,532                   09/06/94
5,344,180                   08/098,831                   09/06/94
5,344,183                   08/062,239                   09/06/94
5,344,185                   08/192,342                   09/06/94
5,344,188                   08/174,722                   09/06/94
5,344,192                   08/024,675                   09/06/94
5,344,195                   07/921,870                   09/06/94
5,344,200                   07/915,106                   09/06/94
5,344,201                   08/090,889                   09/06/94
5,344,206                   08/124,597                   09/06/94
5,344,208                   07/803,928                   09/06/94
5,344,212                   07/926,796                   09/06/94
5,344,214                   07/986,485                   09/06/94
5,344,215                   08/029,105                   09/06/94
5,344,216                   07/923,798                   09/06/94
5,344,217                   07/935,589                   09/06/94
5,344,221                   08/009,666                   09/06/94
5,344,225                   07/972,897                   09/06/94
5,344,230                   07/656,583                   09/06/94
5,344,239                   07/982,192                   09/06/94
5,344,240                   07/875,965                   09/06/94
5,344,248                   07/689,970                   09/06/94
5,344,255                   07/816,486                   09/06/94
5,344,263                   07/980,032                   09/06/94
5,344,266                   08/048,471                   09/06/94
5,344,268                   08/014,387                   09/06/94
5,344,270                   07/842,109                   09/06/94
5,344,272                   07/783,671                   09/06/94
5,344,276                   07/969,203                   09/06/94
5,344,278                   08/007,575                   09/06/94
5,344,281                   07/949,642                   09/06/94
5,344,287                   08/058,464                   09/06/94
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