United States Patent and Trademark Office OG Notices: 20 November 2001

                        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
maintenance 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
applicable surcharge.

                  PATENTS WHICH EXPIRED ON September 19, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

4,866,804                       07/233,449                       09/19/89
4,866,806                       07/198,281                       09/19/89
4,866,807                       07/159,494                       09/19/89
4,866,814                       07/253,234                       09/19/89
4,866,820                       07/144,305                       09/19/89
4,866,823                       07/225,060                       09/19/89
4,866,838                       07/257,243                       09/19/89
4,866,840                       07/163,510                       09/19/89
4,866,852                       07/220,150                       09/19/89
4,866,862                       07/266,574                       09/19/89
4,866,873                       07/285,588                       09/19/89
4,866,879                       07/225,535                       09/19/89
4,866,882                       07/187,924                       09/19/89
4,866,883                       07/179,548                       09/19/89
4,866,891                       07/121,000                       09/19/89
4,866,897                       07/042,021                       09/19/89
4,866,898                       07/208,696                       09/19/89
4,866,903                       06/637,377                       09/19/89
4,866,914                       07/221,451                       09/19/89
4,866,921                       07/318,278                       09/19/89
4,866,922                       07/290,570                       09/19/89
4,866,923                       07/237,154                       09/19/89
4,866,937                       07/195,430                       09/19/89
4,866,944                       07/296,825                       09/19/89
4,866,948                       07/189,756                       09/19/89
4,866,949                       07/271,325                       09/19/89
4,866,962                       07/197,257                       09/19/89
4,866,982                       07/234,903                       09/19/89
4,866,992                       07/019,876                       09/19/89
4,867,000                       07/262,276                       09/19/89
4,867,002                       07/194,986                       09/19/89
4,867,008                       06/928,151                       09/19/89
4,867,010                       07/225,426                       09/19/89
4,867,020                       07/145,047                       09/19/89
4,867,021                       07/126,122                       09/19/89
4,867,025                       06/404,271                       09/19/89
4,867,026                       07/160,167                       09/19/89
4,867,031                       07/193,915                       09/19/89
4,867,044                       06/674,901                       09/19/89
4,867,049                       07/164,934                       09/19/89
4,867,055                       07/205,082                       09/19/89
4,867,058                       07/338,264                       09/19/89
4,867,063                       06/920,620                       09/19/89
4,867,064                       07/184,891                       09/19/89
4,867,066                       07/260,764                       09/19/89
4,867,072                       07/303,962                       09/19/89
4,867,076                       07/243,701                       09/19/89
4,867,077                       07/130,275                       09/19/89
4,867,079                       07/044,697                       09/19/89
4,867,089                       07/167,647                       09/19/89
4,867,090                       07/173,976                       09/19/89
4,867,093                       07/122,823                       09/19/89
4,867,094                       07/087,764                       09/19/89
4,867,109                       06/792,223                       09/19/89
4,867,110                       07/282,576                       09/19/89
4,867,113                       07/290,115                       09/19/89
4,867,118                       07/234,210                       09/19/89
4,867,123                       07/201,658                       09/19/89
4,867,124                       07/167,514                       09/19/89
4,867,130                       07/308,327                       09/19/89
4,867,146                       07/152,184                       09/19/89
4,867,147                       07/194,932                       09/19/89
4,867,152                       07/107,129                       09/19/89
4,867,169                       07/070,590                       09/19/89
4,867,175                       07/198,933                       09/19/89
4,867,180                       07/190,122                       09/19/89
4,867,185                       07/098,687                       09/19/89
4,867,189                       07/207,738                       09/19/89
4,867,191                       07/248,138                       09/19/89
4,867,197                       07/311,473                       09/19/89
4,867,198                       07/255,848                       09/19/89
4,867,201                       07/319,568                       09/19/89
4,867,209                       07/114,577                       09/19/89
4,867,213                       07/321,305                       09/19/89
4,867,214                       07/109,519                       09/19/89
4,867,218                       07/134,759                       09/19/89
4,867,220                       07/174,889                       09/19/89
4,867,224                       07/217,496                       09/19/89
4,867,225                       07/319,543                       09/19/89
4,867,233                       07/024,090                       09/19/89
4,867,238                       07/195,764                       09/19/89
4,867,254                       07/227,273                       09/19/89
4,867,256                       07/294,391                       09/19/89
4,867,278                       07/208,298                       09/19/89
4,867,279                       06/297,680                       09/19/89
4,867,287                       07/055,633                       09/19/89
4,867,290                       07/239,888                       09/19/89
4,867,291                       07/212,445                       09/19/89
4,867,299                       07/218,678                       09/19/89
4,867,310                       07/084,694                       09/19/89
4,867,314                       06/784,714                       09/19/89
4,867,315                       07/202,316                       09/19/89
4,867,325                       07/151,289                       09/19/89
4,867,334                       07/212,820                       09/19/89
4,867,343                       07/157,230                       09/19/89
4,867,346                       07/101,412                       09/19/89
4,867,352                       07/177,606                       09/19/89
4,867,362                       07/225,166                       09/19/89
4,867,364                       07/331,057                       09/19/89
4,867,366                       06/821,870                       09/19/89
4,867,376                       06/920,237                       09/19/89
4,867,377                       07/241,763                       09/19/89
4,867,381                       07/242,546                       09/19/89
4,867,382                       07/252,264                       09/19/89
4,867,383                       06/700,076                       09/19/89
4,867,389                       07/240,970                       09/19/89
4,867,402                       07/233,671                       09/19/89
4,867,406                       07/254,615                       09/19/89
4,867,411                       07/090,511                       09/19/89
4,867,421                       06/912,256                       09/19/89
4,867,424                       07/248,048                       09/19/89
4,867,430                       07/200,520                       09/19/89
4,867,458                       07/218,682                       09/19/89
4,867,463                       07/240,081                       09/19/89
4,867,478                       07/238,475                       09/19/89
4,867,479                       07/222,762                       09/19/89
4,867,486                       07/112,699                       09/19/89
4,867,496                       07/167,333                       09/19/89
4,867,497                       07/198,523                       09/19/89
4,867,498                       07/279,490                       09/19/89
4,867,505                       06/723,663                       09/19/89
4,867,507                       07/177,858                       09/19/89
4,867,510                       07/325,029                       09/19/89
4,867,515                       07/228,473                       09/19/89
4,867,519                       07/288,165                       09/19/89
4,867,539                       07/277,457                       09/19/89
4,867,542                       07/227,738                       09/19/89
4,867,545                       07/208,379                       09/19/89
4,867,549                       07/187,045                       09/19/89
4,867,556                       07/109,802                       09/19/89
4,867,559                       07/141,159                       09/19/89
4,867,560                       07/181,028                       09/19/89
4,867,562                       07/196,263                       09/19/89
4,867,563                       06/788,084                       09/19/89
4,867,583                       06/581,899                       09/19/89
4,867,590                       07/176,956                       09/19/89
4,867,591                       07/123,971                       09/19/89
4,867,593                       07/146,682                       09/19/89
4,867,607                       07/061,194                       09/19/89
4,867,618                       07/200,634                       09/19/89
4,867,627                       07/180,905                       09/19/89
4,867,628                       07/144,328                       09/19/89
4,867,632                       07/045,504                       09/19/89
4,867,635                       07/233,123                       09/19/89
4,867,637                       07/310,357                       09/19/89
4,867,651                       07/120,152                       09/19/89
4,867,654                       07/141,480                       09/19/89
4,867,670                       07/102,345                       09/19/89
4,867,671                       07/105,781                       09/19/89
4,867,674                       07/163,712                       09/19/89
4,867,679                       07/182,729                       09/19/89
4,867,680                       07/032,903                       09/19/89
4,867,687                       07/307,625                       09/19/89
4,867,689                       07/265,063                       09/19/89
4,867,692                       07/124,738                       09/19/89
4,867,695                       07/282,720                       09/19/89
4,867,699                       07/316,737                       09/19/89
4,867,713                       07/159,333                       09/19/89
4,867,726                       07/192,612                       09/19/89
4,867,743                       06/934,510                       09/19/89
4,867,744                       07/052,600                       09/19/89
4,867,745                       06/791,529                       09/19/89
4,867,752                       07/112,210                       09/19/89
4,867,758                       06/894,229                       09/19/89
4,867,759                       07/136,213                       09/19/89
4,867,771                       07/249,127                       09/19/89
4,867,774                       07/102,294                       09/19/89
4,867,780                       07/214,348                       09/19/89
4,867,782                       07/214,347                       09/19/89
4,867,784                       07/003,147                       09/19/89
4,867,787                       07/081,465                       09/19/89
4,867,795                       07/165,494                       09/19/89
4,867,799                       07/095,328                       09/19/89
4,867,810                       07/201,913                       09/19/89
4,867,811                       07/225,068                       09/19/89
4,867,856                       07/221,143                       09/19/89
4,867,858                       07/168,925                       09/19/89
4,867,859                       07/081,450                       09/19/89
4,867,864                       07/283,779                       09/19/89
4,867,867                       06/597,113                       09/19/89
4,867,873                       06/867,011                       09/19/89
4,867,879                       07/256,208                       09/19/89
4,867,886                       07/223,627                       09/19/89
4,867,891                       07/237,150                       09/19/89
4,867,896                       07/157,425                       09/19/89
4,867,898                       07/028,814                       09/19/89
4,867,916                       07/128,109                       09/19/89
4,867,922                       06/947,072                       09/19/89
4,867,929                       07/123,837                       09/19/89
4,867,930                       07/028,767                       09/19/89
4,867,933                       07/179,666                       09/19/89
4,867,934                       07/137,207                       09/19/89
4,867,947                       06/904,953                       09/19/89
4,867,952                       07/196,433                       09/19/89
4,867,954                       07/178,578                       09/19/89
4,867,956                       07/162,609                       09/19/89
4,867,963                       07/008,674                       09/19/89
4,867,975                       07/148,987                       09/19/89
4,867,981                       07/122,433                       09/19/89
4,867,990                       07/232,845                       09/19/89
4,867,992                       07/168,829                       09/19/89
4,868,004                       07/151,718                       09/19/89
4,868,012                       07/182,899                       09/19/89
4,868,027                       07/106,251                       09/19/89
4,868,033                       07/214,358                       09/19/89
4,868,035                       07/194,100                       09/19/89
4,868,037                       07/108,662                       09/19/89
4,868,038                       07/112,794                       09/19/89
4,868,039                       07/291,616                       09/19/89
4,868,042                       07/130,743                       09/19/89
4,868,047                       07/158,247                       09/19/89
4,868,048                       07/131,402                       09/19/89
4,868,055                       07/224,004                       09/19/89
4,868,065                       07/111,406                       09/19/89
4,868,069                       07/231,155                       09/19/89
4,868,074                       07/174,901                       09/19/89
4,868,086                       07/266,331                       09/19/89
4,868,092                       07/147,343                       09/19/89
4,868,104                       06/773,386                       09/19/89
4,868,115                       07/072,843                       09/19/89
4,868,123                       07/252,186                       09/19/89
4,868,132                       07/010,355                       09/19/89
4,868,134                       07/233,064                       09/19/89
4,868,135                       07/287,945                       09/19/89
4,868,139                       07/122,019                       09/19/89
4,868,148                       07/201,245                       09/19/89
4,868,158                       07/030,861                       09/19/89
4,868,159                       07/165,738                       09/19/89
4,868,171                       06/945,639                       09/19/89
4,868,183                       07/075,910                       09/19/89
4,868,186                       07/137,694                       09/19/89
4,868,227                       07/158,626                       09/19/89
4,868,235                       07/260,591                       09/19/89
4,868,239                       07/183,254                       09/19/89
4,868,241                       06/946,993                       09/19/89
4,868,247                       07/148,836                       09/19/89
4,868,260                       06/922,904                       09/19/89
4,868,270                       07/121,964                       09/19/89
4,868,271                       06/790,286                       09/19/89
4,868,275                       07/234,046                       09/19/89
4,868,276                       07/088,323                       09/19/89
4,868,277                       07/234,342                       09/19/89
4,868,284                       07/095,825                       09/19/89
4,868,286                       07/081,929                       09/19/89
4,868,287                       07/088,247                       09/19/89
4,868,289                       06/907,690                       09/19/89
4,868,303                       07/124,932                       09/19/89
4,868,304                       07/200,716                       09/19/89
4,868,315                       07/141,737                       09/19/89
4,868,329                       07/168,565                       09/19/89
4,868,350                       07/165,011                       09/19/89
4,868,357                       07/181,141                       09/19/89
4,868,360                       07/114,994                       09/19/89
4,868,364                       07/070,468                       09/19/89
4,868,372                       07/207,928                       09/19/89
4,868,374                       07/031,412                       09/19/89
4,868,379                       07/209,010                       09/19/89
4,868,381                       07/148,582                       09/19/89
4,868,382                       07/273,908                       09/19/89
4,868,393                       07/033,030                       09/19/89
4,868,394                       07/248,378                       09/19/89
4,868,395                       07/168,605                       09/19/89
4,868,410                       07/237,696                       09/19/89
4,868,413                       07/183,865                       09/19/89
4,868,414                       07/160,831                       09/19/89
4,868,416                       07/133,115                       09/19/89
4,868,418                       07/151,757                       09/19/89
4,868,427                       07/115,144                       09/19/89
4,868,432                       07/037,904                       09/19/89
4,868,439                       07/124,305                       09/19/89
4,868,447                       07/095,494                       09/19/89
4,868,449                       07/191,302                       09/19/89
4,868,459                       07/083,546                       09/19/89
4,868,473                       07/256,834                       09/19/89
4,868,486                       07/058,903                       09/19/89
4,868,491                       07/131,949                       09/19/89
4,868,496                       07/206,099                       09/19/89
4,868,501                       07/205,431                       09/19/89
4,868,506                       07/279,482                       09/19/89
4,868,510                       07/122,943                       09/19/89
4,868,518                       07/264,752                       09/19/89
4,868,526                       07/285,630                       09/19/89
4,868,531                       07/278,178                       09/19/89
4,868,554                       07/156,875                       09/19/89
4,868,555                       07/131,400                       09/19/89
4,868,565                       07/146,069                       09/19/89
4,868,569                       07/244,642                       09/19/89
4,868,572                       07/162,221                       09/19/89
4,868,576                       07/266,423                       09/19/89
4,868,604                       07/293,613                       09/19/89
4,868,607                       07/187,787                       09/19/89
4,868,622                       07/113,069                       09/19/89
4,868,625                       07/071,153                       09/19/89
4,868,626                       07/044,202                       09/19/89
4,868,634                       07/158,764                       09/19/89
4,868,640                       07/150,040                       09/19/89
4,868,641                       07/289,293                       09/19/89
4,868,666                       07/130,480                       09/19/89
4,868,668                       07/120,307                       09/19/89
4,868,671                       07/136,487                       09/19/89
4,868,681                       07/291,703                       09/19/89
4,868,685                       07/199,943                       09/19/89
4,868,688                       07/113,737                       09/19/89
4,868,689                       07/126,974                       09/19/89
4,868,701                       07/264,851                       09/19/89
4,868,702                       07/298,907                       09/19/89
4,868,703                       07/306,789                       09/19/89
4,868,707                       07/210,082                       09/19/89
4,868,713                       07/175,277                       09/19/89
4,868,723                       07/126,375                       09/19/89
4,868,728                       07/128,692                       09/19/89
4,868,736                       07/084,010                       09/19/89
4,868,737                       07/070,056                       09/19/89
4,868,743                       07/123,777                       09/19/89
4,868,744                       06/835,396                       09/19/89
4,868,752                       07/094,996                       09/19/89
4,868,754                       07/033,473                       09/19/89
4,868,759                       06/931,277                       09/19/89
4,868,779                       07/090,060                       09/19/89
4,868,782                       07/061,235                       09/19/89
4,868,783                       07/062,794                       09/19/89
4,868,786                       07/037,142                       09/19/89
4,868,808                       07/096,317                       09/19/89
4,868,817                       07/058,269                       09/19/89
4,868,828                       07/105,101                       09/19/89
4,868,837                       07/235,294                       09/19/89
4,868,838                       07/105,945                       09/19/89
4,868,840                       07/250,513                       09/19/89
4,868,847                       07/245,973                       09/19/89
4,868,849                       07/211,990                       09/19/89
4,868,853                       07/181,528                       09/19/89
4,868,856                       07/289,443                       09/19/89
4,868,862                       07/276,454                       09/19/89
4,868,874                       07/038,938                       09/19/89
4,868,882                       07/242,804                       09/19/89
4,868,888                       06/920,806                       09/19/89
4,868,889                       07/275,692                       09/19/89
4,868,894                       07/130,485                       09/19/89
4,868,907                       07/195,320                       09/19/89
4,868,913                       07/090,058                       09/19/89
4,868,914                       07/135,766                       09/19/89

                  PATENTS WHICH EXPIRED ON September 14, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

5,243,715                       07/862,339                       09/14/93
5,243,721                       07/930,198                       09/14/93
5,243,723                       07/855,302                       09/14/93
5,243,724                       07/691,219                       09/14/93
5,243,732                       07/772,549                       09/14/93
5,243,738                       07/864,398                       09/14/93
5,243,739                       07/755,290                       09/14/93
5,243,746                       07/953,550                       09/14/93
5,243,753                       07/919,903                       09/14/93
5,243,757                       07/888,946                       09/14/93
5,243,763                       07/847,110                       09/14/93
5,243,765                       07/904,972                       09/14/93
5,243,767                       07/922,998                       09/14/93
5,243,768                       07/835,582                       09/14/93
5,243,770                       07/729,277                       09/14/93
5,243,771                       07/811,534                       09/14/93
5,243,772                       07/852,914                       09/14/93
5,243,775                       07/821,585                       09/14/93
5,243,785                       07/762,892                       09/14/93
5,243,788                       07/567,896                       09/14/93
5,243,802                       07/643,450                       09/14/93
5,243,803                       07/983,267                       09/14/93
5,243,807                       07/825,991                       09/14/93
5,243,808                       07/938,623                       09/14/93
5,243,809                       07/916,782                       09/14/93
5,243,812                       07/893,192                       09/14/93
5,243,814                       07/715,595                       09/14/93
5,243,818                       07/535,472                       09/14/93
5,243,820                       07/717,003                       09/14/93
5,243,822                       07/776,356                       09/14/93
5,243,826                       07/907,374                       09/14/93
5,243,828                       07/997,000                       09/14/93
5,243,836                       07/836,815                       09/14/93
5,243,837                       07/846,947                       09/14/93
5,243,845                       07/822,002                       09/14/93
5,243,856                       07/925,388                       09/14/93
5,243,858                       07/743,961                       09/14/93
5,243,861                       07/755,838                       09/14/93
5,243,865                       07/955,922                       09/14/93
5,243,875                       07/997,342                       09/14/93
5,243,880                       07/676,096                       09/14/93
5,243,889                       07/682,725                       09/14/93
5,243,898                       07/754,874                       09/14/93
5,243,901                       07/926,232                       09/14/93
5,243,911                       07/794,126                       09/14/93
5,243,917                       07/861,783                       09/14/93
5,243,922                       07/923,316                       09/14/93
5,243,923                       07/902,712                       09/14/93
5,243,924                       07/803,208                       09/14/93
5,243,926                       07/985,223                       09/14/93
5,243,930                       07/892,278                       09/14/93
5,243,934                       08/000,259                       09/14/93
5,243,935                       07/846,929                       09/14/93
5,243,943                       07/867,109                       09/14/93
5,243,953                       07/915,932                       09/14/93
5,243,956                       07/860,075                       09/14/93
5,243,957                       07/795,032                       09/14/93
5,243,959                       07/919,052                       09/14/93
5,243,963                       07/835,804                       09/14/93
5,243,964                       07/671,436                       09/14/93
5,243,977                       07/721,284                       09/14/93
5,243,984                       07/928,782                       09/14/93
5,243,985                       07/707,784                       09/14/93
5,243,987                       07/766,090                       09/14/93
5,243,995                       07/791,880                       09/14/93
5,244,005                       07/945,508                       09/14/93
5,244,016                       08/009,016                       09/14/93
5,244,018                       07/927,132                       09/14/93
5,244,019                       07/932,581                       09/14/93
5,244,020                       07/735,375                       09/14/93
5,244,031                       07/594,348                       09/14/93
5,244,033                       07/853,080                       09/14/93
5,244,035                       07/640,631                       09/14/93
5,244,044                       07/895,000                       09/14/93
5,244,045                       07/775,443                       09/14/93
5,244,047                       07/740,410                       09/14/93
5,244,060                       07/879,988                       09/14/93
5,244,062                       07/768,627                       09/14/93
5,244,063                       07/769,375                       09/14/93
5,244,065                       07/768,268                       09/14/93
5,244,067                       07/994,221                       09/14/93
5,244,072                       07/906,577                       09/14/93
5,244,083                       07/777,792                       09/14/93
5,244,084                       08/015,441                       09/14/93
5,244,089                       07/901,135                       09/14/93
5,244,090                       07/994,623                       09/14/93
5,244,104                       07/816,760                       09/14/93
5,244,113                       07/933,654                       09/14/93
5,244,116                       07/864,414                       09/14/93
5,244,124                       07/796,423                       09/14/93
5,244,125                       07/833,854                       09/14/93
5,244,126                       07/915,413                       09/14/93
5,244,127                       07/928,608                       09/14/93
5,244,142                       07/794,869                       09/14/93
5,244,146                       07/880,556                       09/14/93
5,244,147                       07/857,874                       09/14/93
5,244,158                       07/862,978                       09/14/93
5,244,162                       07/839,406                       09/14/93
5,244,163                       07/668,095                       09/14/93
5,244,167                       07/747,515                       09/14/93
5,244,169                       07/883,341                       09/14/93
5,244,174                       07/747,931                       09/14/93
5,244,180                       07/939,803                       09/14/93
5,244,183                       07/771,494                       09/14/93
5,244,186                       07/939,308                       09/14/93
5,244,212                       07/972,666                       09/14/93
5,244,217                       08/019,986                       09/14/93
5,244,221                       07/944,225                       09/14/93
5,244,222                       07/675,925                       09/14/93
5,244,223                       07/829,304                       09/14/93
5,244,226                       07/763,608                       09/14/93
5,244,227                       07/733,649                       09/14/93
5,244,241                       07/947,289                       09/14/93
5,244,243                       07/934,428                       09/14/93
5,244,244                       07/926,682                       09/14/93
5,244,247                       07/925,186                       09/14/93
5,244,250                       07/828,736                       09/14/93
5,244,251                       07/686,004                       09/14/93
5,244,255                       07/862,375                       09/14/93
5,244,261                       07/752,105                       09/14/93
5,244,266                       07/863,062                       09/14/93
5,244,274                       07/803,641                       09/14/93
5,244,275                       07/876,353                       09/14/93
5,244,277                       07/829,413                       09/14/93
5,244,280                       07/889,200                       09/14/93
5,244,287                       07/972,916                       09/14/93
5,244,290                       07/937,310                       09/14/93
5,244,293                       07/945,864                       09/14/93
5,244,298                       07/964,195                       09/14/93
5,244,299                       07/986,442                       09/14/93
5,244,302                       07/789,270                       09/14/93
5,244,304                       07/668,923                       09/14/93
5,244,309                       07/846,551                       09/14/93
5,244,316                       07/958,483                       09/14/93
5,244,320                       07/962,831                       09/14/93
5,244,323                       08/012,837                       09/14/93
5,244,327                       07/875,738                       09/14/93
5,244,331                       07/832,999                       09/14/93
5,244,334                       07/817,692                       09/14/93
5,244,335                       07/827,284                       09/14/93
5,244,340                       07/718,619                       09/14/93
5,244,349                       07/950,024                       09/14/93
5,244,350                       07/722,102                       09/14/93
5,244,351                       07/954,752                       09/14/93
5,244,356                       07/969,515                       09/14/93
5,244,357                       07/961,058                       09/14/93
5,244,359                       07/970,077                       09/14/93
5,244,361                       07/872,620                       09/14/93
5,244,365                       07/844,156                       09/14/93
5,244,367                       07/772,769                       09/14/93
5,244,373                       07/806,276                       09/14/93
5,244,377                       07/863,672                       09/14/93
5,244,378                       07/806,499                       09/14/93
5,244,381                       07/861,958                       09/14/93
5,244,382                       07/805,546                       09/14/93
5,244,385                       07/744,529                       09/14/93
5,244,386                       07/842,483                       09/14/93
5,244,387                       07/904,961                       09/14/93
5,244,388                       07/792,489                       09/14/93
5,244,390                       07/820,339                       09/14/93
5,244,394                       07/998,002                       09/14/93
5,244,395                       07/921,161                       09/14/93
5,244,397                       07/984,196                       09/14/93
5,244,399                       07/930,341                       09/14/93
5,244,406                       07/947,612                       09/14/93
5,244,409                       07/726,719                       09/14/93
5,244,411                       07/833,507                       09/14/93
5,244,414                       07/993,572                       09/14/93
5,244,417                       07/998,221                       09/14/93
5,244,420                       07/924,128                       09/14/93
5,244,424                       07/913,159                       09/14/93
5,244,432                       07/858,590                       09/14/93
5,244,433                       07/722,863                       09/14/93
5,244,441                       07/866,112                       09/14/93
5,244,442                       07/917,645                       09/14/93
5,244,449                       07/889,147                       09/14/93
5,244,453                       07/991,510                       09/14/93
5,244,454                       07/995,600                       09/14/93
5,244,466                       07/110,842                       09/14/93
5,244,480                       08/017,392                       09/14/93
5,244,485                       07/874,179                       09/14/93
5,244,490                       07/879,596                       09/14/93
5,244,499                       07/901,562                       09/14/93
5,244,501                       07/733,373                       09/14/93
5,244,503                       07/933,396                       09/14/93
5,244,505                       07/839,993                       09/14/93
5,244,506                       07/069,324                       09/14/93
5,244,510                       07/732,513                       09/14/93
5,244,511                       08/006,671                       09/14/93
5,244,520                       07/757,855                       09/14/93
5,244,523                       07/834,583                       09/14/93
5,244,539                       07/826,133                       09/14/93
5,244,541                       07/619,200                       09/14/93
5,244,542                       07/844,902                       09/14/93
5,244,543                       07/820,554                       09/14/93
5,244,547                       07/717,298                       09/14/93
5,244,550                       07/660,063                       09/14/93
5,244,553                       07/785,343                       09/14/93
5,244,555                       07/799,492                       09/14/93
5,244,559                       07/897,317                       09/14/93
5,244,567                       07/671,775                       09/14/93
5,244,577                       08/007,801                       09/14/93
5,244,579                       07/959,086                       09/14/93
5,244,581                       07/925,850                       09/14/93
5,244,582                       07/833,541                       09/14/93
5,244,586                       07/783,502                       09/14/93
5,244,587                       07/728,224                       09/14/93
5,244,588                       07/794,048                       09/14/93
5,244,600                       07/844,034                       09/14/93
5,244,601                       07/624,979                       09/14/93
5,244,604                       07/997,805                       09/14/93
5,244,606                       07/895,474                       09/14/93
5,244,608                       07/778,210                       09/14/93
5,244,615                       07/985,665                       09/14/93
5,244,621                       07/865,683                       09/14/93
5,244,638                       07/702,252                       09/14/93
5,244,639                       07/753,005                       09/14/93
5,244,640                       07/699,683                       09/14/93
5,244,649                       07/571,512                       09/14/93
5,244,653                       07/694,252                       09/14/93
5,244,660                       07/828,202                       09/14/93
5,244,662                       07/791,833                       09/14/93
5,244,673                       07/588,322                       09/14/93
5,244,674                       07/997,209                       09/14/93
5,244,675                       07/837,493                       09/14/93
5,244,683                       07/840,959                       09/14/93
5,244,692                       07/803,446                       09/14/93
5,244,708                       07/675,256                       09/14/93
5,244,727                       07/877,376                       09/14/93
5,244,730                       07/693,736                       09/14/93
5,244,732                       07/701,121                       09/14/93
5,244,761                       07/825,247                       09/14/93
5,244,784                       07/662,188                       09/14/93
5,244,790                       07/808,504                       09/14/93
5,244,793                       07/667,246                       09/14/93
5,244,796                       07/596,867                       09/14/93
5,244,798                       07/929,743                       09/14/93
5,244,803                       07/578,904                       09/14/93
5,244,804                       07/143,623                       09/14/93
5,244,810                       07/803,735                       09/14/93
5,244,814                       07/703,116                       09/14/93
5,244,816                       07/419,871                       09/14/93
5,244,820                       07/921,988                       09/14/93
5,244,824                       07/577,727                       09/14/93
5,244,831                       07/877,871                       09/14/93
5,244,833                       07/683,893                       09/14/93
5,244,840                       07/963,699                       09/14/93
5,244,871                       07/772,123                       09/14/93
5,244,874                       07/877,372                       09/14/93
5,244,876                       07/966,589                       09/14/93
5,244,886                       07/663,819                       09/14/93
5,244,890                       07/885,252                       09/14/93
5,244,895                       07/883,344                       09/14/93
5,244,902                       07/831,429                       09/14/93
5,244,906                       07/824,658                       09/14/93
5,244,920                       07/960,216                       09/14/93
5,244,929                       07/882,770                       09/14/93
5,244,931                       07/857,151                       09/14/93
5,244,932                       07/404,484                       09/14/93
5,244,940                       07/595,674                       09/14/93
5,244,944                       07/710,500                       09/14/93
5,244,947                       07/815,688                       09/14/93
5,244,948                       07/881,322                       09/14/93
5,244,960                       07/973,860                       09/14/93
5,244,966                       07/814,550                       09/14/93
5,244,970                       07/706,703                       09/14/93
5,244,976                       07/847,403                       09/14/93
5,244,982                       07/773,886                       09/14/93
5,244,983                       07/732,004                       09/14/93
5,244,984                       07/674,555                       09/14/93
5,244,989                       07/841,508                       09/14/93
5,244,990                       07/817,708                       09/14/93
5,244,991                       07/775,389                       09/14/93
5,245,001                       07/774,066                       09/14/93
5,245,003                       07/824,276                       09/14/93
5,245,010                       07/820,658                       09/14/93
5,245,011                       07/970,715                       09/14/93
5,245,016                       07/690,608                       09/14/93
5,245,017                       07/708,885                       09/14/93
5,245,019                       07/946,128                       09/14/93
5,245,021                       07/706,432                       09/14/93
5,245,026                       07/703,565                       09/14/93
5,245,032                       07/585,561                       09/14/93
5,245,037                       07/497,885                       09/14/93
5,245,039                       07/743,415                       09/14/93
5,245,050                       07/427,085                       09/14/93
5,245,053                       07/896,319                       09/14/93
5,245,060                       07/849,967                       09/14/93
5,245,066                       07/933,202                       09/14/93
5,245,081                       07/886,843                       09/14/93
5,245,086                       07/622,635                       09/14/93
5,245,087                       07/953,385                       09/14/93
5,245,089                       07/965,818                       09/14/93
5,245,095                       07/684,590                       09/14/93
5,245,097                       07/809,774                       09/14/93
5,245,103                       07/963,166                       09/14/93
5,245,105                       08/008,951                       09/14/93
5,245,108                       07/924,965                       09/14/93
5,245,109                       07/775,226                       09/14/93
5,245,117                       07/919,826                       09/14/93
5,245,118                       07/882,805                       09/14/93
5,245,119                       07/921,298                       09/14/93
5,245,120                       07/815,344                       09/14/93
5,245,132                       07/717,791                       09/14/93
5,245,142                       07/982,422                       09/14/93
5,245,152                       07/896,050                       09/14/93
5,245,154                       07/759,595                       09/14/93
5,245,160                       07/913,641                       09/14/93
5,245,167                       07/724,923                       09/14/93
5,245,168                       07/792,543                       09/14/93
5,245,180                       07/892,127                       09/14/93
5,245,182                       07/841,607                       09/14/93
5,245,183                       07/942,894                       09/14/93
5,245,184                       07/777,254                       09/14/93
5,245,195                       07/802,551                       09/14/93
5,245,217                       07/735,048                       09/14/93
5,245,231                       07/816,313                       09/14/93
5,245,233                       07/866,312                       09/14/93
5,245,255                       07/888,165                       09/14/93
5,245,260                       07/828,432                       09/14/93
5,245,263                       07/760,014                       09/14/93
5,245,268                       07/870,055                       09/14/93
5,245,280                       07/712,409                       09/14/93
5,245,285                       07/719,994                       09/14/93
5,245,287                       07/924,976                       09/14/93
5,245,289                       07/979,443                       09/14/93
5,245,291                       07/843,190                       09/14/93
5,245,298                       07/921,668                       09/14/93
5,245,305                       07/949,943                       09/14/93
5,245,311                       07/827,747                       09/14/93
5,245,323                       07/944,000                       09/14/93
5,245,325                       07/772,843                       09/14/93
5,245,326                       07/911,424                       09/14/93
5,245,338                       07/893,264                       09/14/93
5,245,346                       07/743,340                       09/14/93
5,245,348                       07/842,968                       09/14/93
5,245,351                       07/636,609                       09/14/93
5,245,398                       07/719,181                       09/14/93
5,245,407                       07/748,541                       09/14/93
5,245,408                       07/647,624                       09/14/93
5,245,413                       07/804,568                       09/14/93
5,245,418                       07/634,621                       09/14/93
5,245,422                       07/722,661                       09/14/93
5,245,424                       07/823,328                       09/14/93
5,245,429                       07/808,862                       09/14/93
5,245,433                       07/889,673                       09/14/93
5,245,447                       07/703,083                       09/14/93
5,245,448                       07/851,073                       09/14/93
5,245,460                       07/892,221                       09/14/93
5,245,464                       07/895,378                       09/14/93
5,245,468                       07/627,672                       09/14/93
5,245,474                       07/795,305                       09/14/93
5,245,488                       07/866,090                       09/14/93
5,245,496                       07/745,792                       09/14/93
5,245,508                       07/769,750                       09/14/93
5,245,510                       07/958,720                       09/14/93
5,245,528                       07/495,911                       09/14/93
5,245,529                       07/757,011                       09/14/93
5,245,530                       07/690,353                       09/14/93
5,245,532                       07/364,944                       09/14/93
5,245,534                       07/757,260                       09/14/93
5,245,539                       07/497,911                       09/14/93
5,245,546                       07/767,609                       09/14/93
5,245,548                       07/613,202                       09/14/93
5,245,553                       07/737,617                       09/14/93
5,245,589                       07/856,091                       09/14/93
5,245,594                       07/941,310                       09/14/93
5,245,596                       07/721,036                       09/14/93
5,245,609                       07/647,767                       09/14/93
5,245,624                       07/791,332                       09/14/93
5,245,637                       07/815,810                       09/14/93
5,245,642                       07/785,649                       09/14/93
5,245,648                       07/681,269                       09/14/93
5,245,654                       07/775,628                       09/14/93
5,245,660                       07/656,330                       09/14/93
5,245,678                       07/811,271                       09/14/93
5,245,682                       07/950,567                       09/14/93
5,245,688                       07/988,991                       09/14/93
5,245,691                       07/375,411                       09/14/93
5,245,692                       07/621,827                       09/14/93
5,245,697                       07/688,925                       09/14/93
5,245,701                       07/595,808                       09/14/93

                  PATENTS WHICH EXPIRED ON September 16, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

5,666,667                       08/551,706                       09/16/97
5,666,668                       08/434,774                       09/16/97
5,666,669                       08/613,543                       09/16/97
5,666,671                       08/350,473                       09/16/97
5,666,676                       08/513,459                       09/16/97
5,666,678                       08/613,542                       09/16/97
5,666,679                       08/507,587                       09/16/97
5,666,680                       08/606,396                       09/16/97
5,666,684                       08/597,646                       09/16/97
5,666,689                       08/302,869                       09/16/97
5,666,696                       08/564,300                       09/16/97
5,666,701                       08/407,133                       09/16/97
5,666,707                       08/497,556                       09/16/97
5,666,724                       08/433,286                       09/16/97
5,666,736                       08/542,694                       09/16/97
5,666,737                       08/574,847                       09/16/97
5,666,743                       08/606,556                       09/16/97
5,666,746                       08/496,055                       09/16/97
5,666,750                       08/450,422                       09/16/97
5,666,754                       08/499,542                       09/16/97
5,666,757                       08/517,217                       09/16/97
5,666,758                       08/480,402                       09/16/97
5,666,759                       08/491,858                       09/16/97
5,666,763                       08/550,646                       09/16/97
5,666,767                       08/565,392                       09/16/97
5,666,771                       08/556,399                       09/16/97
5,666,777                       08/381,830                       09/16/97
5,666,781                       08/591,974                       09/16/97
5,666,795                       08/545,480                       09/16/97
5,666,796                       08/488,973                       09/16/97
5,666,813                       08/254,488                       09/16/97
5,666,821                       08/426,826                       09/16/97
5,666,827                       08/670,398                       09/16/97
5,666,829                       08/603,469                       09/16/97
5,666,830                       08/264,772                       09/16/97
5,666,838                       08/462,606                       09/16/97
5,666,853                       08/526,087                       09/16/97
5,666,862                       08/341,820                       09/16/97
5,666,872                       08/437,950                       09/16/97
5,666,873                       08/400,889                       09/16/97
5,666,874                       08/763,370                       09/16/97
5,666,889                       08/410,675                       09/16/97
5,666,895                       08/376,054                       09/16/97
5,666,901                       08/564,892                       09/16/97
5,666,904                       08/432,166                       09/16/97
5,666,907                       08/408,345                       09/16/97
5,666,911                       08/728,341                       09/16/97
5,666,921                       08/644,516                       09/16/97
5,666,938                       08/509,224                       09/16/97
5,666,940                       08/539,378                       09/16/97
5,666,957                       08/382,050                       09/16/97
5,666,961                       08/492,515                       09/16/97
5,666,971                       08/140,446                       09/16/97
5,666,973                       08/493,593                       09/16/97
5,666,979                       08/314,849                       09/16/97
5,666,987                       08/409,408                       09/16/97
5,666,991                       08/567,642                       09/16/97
5,666,997                       08/516,812                       09/16/97
5,667,000                       08/613,123                       09/16/97
5,667,012                       08/540,997                       09/16/97
5,667,013                       08/571,553                       09/16/97
5,667,019                       08/513,291                       09/16/97
5,667,021                       08/542,441                       09/16/97
5,667,023                       08/666,150                       09/16/97
5,667,027                       08/539,604                       09/16/97
5,667,032                       08/361,412                       09/16/97
5,667,035                       08/545,287                       09/16/97
5,667,059                       08/671,338                       09/16/97
5,667,061                       08/673,586                       09/16/97
5,667,064                       08/686,130                       09/16/97
5,667,065                       08/454,355                       09/16/97
5,667,067                       08/564,179                       09/16/97
5,667,068                       08/489,789                       09/16/97
5,667,073                       08/697,399                       09/16/97
5,667,079                       08/506,384                       09/16/97
5,667,084                       08/534,652                       09/16/97
5,667,085                       08/564,068                       09/16/97
5,667,086                       08/701,102                       09/16/97
5,667,089                       08/646,478                       09/16/97
5,667,090                       08/556,293                       09/16/97
5,667,092                       08/464,473                       09/16/97
5,667,096                       08/598,723                       09/16/97
5,667,097                       08/426,282                       09/16/97
5,667,109                       08/381,225                       09/16/97
5,667,112                       08/562,506                       09/16/97
5,667,114                       08/495,768                       09/16/97
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