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 November 29, 2000
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                         Serial                       Issue
Number                         Number                        Date

4,787,118                    07/032,757                  11/29/88
4,787,128                    07/050,394                  11/29/88
4,787,130                    06/618,007                  11/29/88
4,787,132                    07/026,455                  11/29/88
4,787,134                    07/097,609                  11/29/88
4,787,135                    07/019,158                  11/29/88
4,787,139                    07/001,366                  11/29/88
4,787,149                    06/453,108                  11/29/88
4,787,151                    07/171,421                  11/29/88
4,787,152                    07/038,067                  11/29/88
4,787,154                    07/060,924                  11/29/88
4,787,172                    07/043,750                  11/29/88
4,787,173                    06/912,089                  11/29/88
4,787,175                    07/129,544                  11/29/88
4,787,182                    07/053,691                  11/29/88
4,787,192                    07/075,125                  11/29/88
4,787,195                    07/063,007                  11/29/88
4,787,201                    06/715,569                  11/29/88
4,787,205                    06/907,325                  11/29/88
4,787,208                    06/621,129                  11/29/88
4,787,210                    07/152,787                  11/29/88
4,787,211                    06/863,593                  11/29/88
4,787,214                    07/124,323                  11/29/88
4,787,215                    07/163,353                  11/29/88
4,787,217                    07/092,522                  11/29/88
4,787,220                    07/055,262                  11/29/88
4,787,226                    07/057,085                  11/29/88
4,787,227                    07/106,365                  11/29/88
4,787,229                    07/030,427                  11/29/88
4,787,230                    07/024,157                  11/29/88
4,787,235                    07/079,119                  11/29/88
4,787,253                    07/067,927                  11/29/88
4,787,255                    07/033,195                  11/29/88
4,787,258                    07/032,611                  11/29/88
4,787,260                    07/040,222                  11/29/88
4,787,277                    07/055,093                  11/29/88
4,787,282                    07/080,935                  11/29/88
4,787,283                    07/030,237                  11/29/88
4,787,289                    07/144,093                  11/29/88
4,787,290                    07/086,545                  11/29/88
4,787,292                    07/097,803                  11/29/88
4,787,295                    07/159,660                  11/29/88
4,787,309                    07/092,580                  11/29/88
4,787,314                    06/924,048                  11/29/88
4,787,318                    07/014,795                  11/29/88
4,787,320                    07/053,851                  11/29/88
4,787,323                    07/084,641                  11/29/88
4,787,326                    07/092,685                  11/29/88
4,787,329                    07/057,054                  11/29/88
4,787,332                    07/005,403                  11/29/88
4,787,337                    07/056,373                  11/29/88
4,787,338                    07/087,880                  11/29/88
4,787,342                    07/039,235                  11/29/88
4,787,343                    06/928,185                  11/29/88
4,787,367                    06/945,094                  11/29/88
4,787,368                    06/882,745                  11/29/88
4,787,379                    07/042,443                  11/29/88
4,787,380                    07/090,497                  11/29/88
4,787,390                    07/041,437                  11/29/88
4,787,398                    06/889,185                  11/29/88
4,787,407                    07/082,453                  11/29/88
4,787,408                    07/049,493                  11/29/88
4,787,412                    06/945,807                  11/29/88
4,787,418                    07/096,524                  11/29/88
4,787,436                    07/058,777                  11/29/88
4,787,437                    07/024,789                  11/29/88
4,787,443                    07/047,546                  11/29/88
4,787,448                    07/086,555                  11/29/88
4,787,450                    07/047,851                  11/29/88
4,787,473                    06/925,023                  11/29/88
4,787,475                    07/140,028                  11/29/88
4,787,483                    06/354,590                  11/29/88
4,787,493                    07/011,777                  11/29/88
4,787,495                    06/676,785                  11/29/88
4,787,510                    07/162,928                  11/29/88
4,787,511                    07/135,707                  11/29/88
4,787,517                    06/926,389                  11/29/88
4,787,518                    06/907,159                  11/29/88
4,787,531                    07/158,939                  11/29/88
4,787,533                    07/133,459                  11/29/88
4,787,548                    07/078,170                  11/29/88
4,787,551                    07/046,848                  11/29/88
4,787,565                    07/021,236                  11/29/88
4,787,570                    07/113,167                  11/29/88
4,787,573                    07/060,242                  11/29/88
4,787,575                    07/018,399                  11/29/88
4,787,581                    07/070,633                  11/29/88
4,787,592                    07/103,454                  11/29/88
4,787,594                    07/020,698                  11/29/88
4,787,595                    07/045,630                  11/29/88
4,787,603                    07/139,606                  11/29/88
4,787,609                    07/000,127                  11/29/88
4,787,615                    07/028,719                  11/29/88
4,787,616                    06/791,404                  11/29/88
4,787,618                    07/138,827                  11/29/88
4,787,629                    07/135,601                  11/29/88
4,787,636                    06/936,873                  11/29/88
4,787,638                    07/008,888                  11/29/88
4,787,643                    07/137,331                  11/29/88
4,787,649                    07/081,720                  11/29/88
4,787,656                    06/746,614                  11/29/88
4,787,657                    06/913,736                  11/29/88
4,787,670                    07/095,830                  11/29/88
4,787,671                    07/017,331                  11/29/88
4,787,704                    07/080,239                  11/29/88
4,787,705                    07/011,798                  11/29/88
4,787,707                    07/099,695                  11/29/88
4,787,713                    07/053,216                  11/29/88
4,787,728                    07/088,867                  11/29/88
4,787,733                    06/934,203                  11/29/88
4,787,742                    07/008,590                  11/29/88
4,787,757                    07/152,991                  11/29/88
4,787,759                    07/056,505                  11/29/88
4,787,760                    07/108,232                  11/29/88
4,787,777                    07/118,860                  11/29/88
4,787,785                    07/058,446                  11/29/88
4,787,796                    07/104,313                  11/29/88
4,787,803                    06/769,991                  11/29/88
4,787,809                    07/025,653                  11/29/88
4,787,815                    07/106,512                  11/29/88
4,787,816                    07/111,688                  11/29/88
4,787,817                    06/829,006                  11/29/88
4,787,820                    07/140,992                  11/29/88
4,787,823                    06/946,372                  11/29/88
4,787,827                    07/034,644                  11/29/88
4,787,833                    07/080,372                  11/29/88
4,787,842                    07/101,841                  11/29/88
4,787,853                    07/030,505                  11/29/88
4,787,858                    07/029,333                  11/29/88
4,787,864                    07/030,409                  11/29/88
4,787,866                    07/181,360                  11/29/88
4,787,872                    07/040,335                  11/29/88
4,787,875                    07/034,382                  11/29/88
4,787,879                    07/115,112                  11/29/88
4,787,881                    07/039,027                  11/29/88
4,787,883                    06/837,688                  11/29/88
4,787,894                    07/112,550                  11/29/88
4,787,907                    07/010,473                  11/29/88
4,787,914                    07/056,589                  11/29/88
4,787,924                    07/129,317                  11/29/88
4,787,938                    06/879,996                  11/29/88
4,787,949                    06/880,206                  11/29/88
4,787,954                    07/149,484                  11/29/88
4,787,976                    06/728,008                  11/29/88
4,787,982                    06/939,699                  11/29/88
4,787,995                    07/013,230                  11/29/88
4,787,998                    07/028,030                  11/29/88
4,788,002                    07/048,833                  11/29/88
4,788,011                    06/880,623                  11/29/88
4,788,015                    07/135,412                  11/29/88
4,788,017                    07/089,837                  11/29/88
4,788,025                    06/801,804                  11/29/88
4,788,037                    06/884,655                  11/29/88
4,788,038                    07/056,305                  11/29/88
4,788,045                    06/835,212                  11/29/88
4,788,050                    07/031,935                  11/29/88
4,788,056                    07/036,408                  11/29/88
4,788,060                    06/923,788                  11/29/88
4,788,067                    07/065,821                  11/29/88
4,788,069                    07/032,129                  11/29/88
4,788,080                    07/042,715                  11/29/88
4,788,086                    06/754,231                  11/29/88
4,788,090                    07/012,929                  11/29/88
4,788,095                    07/097,301                  11/29/88
4,788,099                    07/094,021                  11/29/88
4,788,100                    07/040,871                  11/29/88
4,788,107                    07/088,357                  11/29/88
4,788,122                    06/838,382                  11/29/88
4,788,128                    06/920,948                  11/29/88
4,788,138                    07/044,099                  11/29/88
4,788,139                    07/082,233                  11/29/88
4,788,142                    06/639,255                  11/29/88
4,788,147                    06/865,584                  11/29/88
4,788,151                    06/912,711                  11/29/88
4,788,168                    06/876,426                  11/29/88
4,788,185                    06/726,438                  11/29/88
4,788,198                    07/043,018                  11/29/88
4,788,200                    07/089,867                  11/29/88
4,788,202                    07/071,504                  11/29/88
4,788,215                    07/098,584                  11/29/88
4,788,218                    06/856,386                  11/29/88
4,788,227                    07/027,379                  11/29/88
4,788,238                    07/099,100                  11/29/88
4,788,252                    07/076,460                  11/29/88
4,788,256                    06/867,022                  11/29/88
4,788,266                    07/041,429                  11/29/88
4,788,279                    06/940,876                  11/29/88
4,788,282                    06/742,495                  11/29/88
4,788,287                    06/903,197                  11/29/88
4,788,288                    07/062,540                  11/29/88
4,788,296                    07/056,118                  11/29/88
4,788,305                    07/074,682                  11/29/88
4,788,309                    06/908,685                  11/29/88
4,788,311                    07/152,416                  11/29/88
4,788,312                    07/169,225                  11/29/88
4,788,313                    06/565,075                  11/29/88
4,788,316                    06/942,564                  11/29/88
4,788,329                    06/926,068                  11/29/88
4,788,339                    06/894,311                  11/29/88
4,788,341                    07/107,745                  11/29/88
4,788,353                    07/022,599                  11/29/88
4,788,354                    07/019,630                  11/29/88
4,788,369                    07/104,616                  11/29/88
4,788,377                    07/098,713                  11/29/88
4,788,385                    06/937,318                  11/29/88
4,788,394                    07/142,352                  11/29/88
4,788,395                    06/913,611                  11/29/88
4,788,396                    07/130,221                  11/29/88
4,788,408                    07/047,757                  11/29/88
4,788,422                    06/933,146                  11/29/88
4,788,427                    06/903,496                  11/29/88
4,788,428                    06/708,136                  11/29/88
4,788,436                    07/158,072                  11/29/88
4,788,441                    07/098,408                  11/29/88
4,788,447                    07/092,396                  11/29/88
4,788,457                    07/094,641                  11/29/88
4,788,458                    07/073,921                  11/29/88
4,788,472                    06/809,052                  11/29/88
4,788,475                    06/846,424                  11/29/88
4,788,482                    07/075,987                  11/29/88
4,788,485                    07/029,228                  11/29/88
4,788,488                    06/917,958                  11/29/88
4,788,489                    06/884,511                  11/29/88
4,788,503                    07/059,283                  11/29/88
4,788,507                    07/045,335                  11/29/88
4,788,513                    07/111,261                  11/29/88
4,788,524                    07/090,192                  11/29/88
4,788,526                    06/873,979                  11/29/88
4,788,527                    06/651,440                  11/29/88
4,788,530                    07/107,094                  11/29/88
4,788,535                    07/117,438                  11/29/88
4,788,539                    06/907,234                  11/29/88
4,788,540                    06/886,428                  11/29/88
4,788,549                    06/801,772                  11/29/88
4,788,551                    06/891,378                  11/29/88
4,788,553                    06/929,748                  11/29/88
4,788,571                    07/012,008                  11/29/88
4,788,582                    06/929,056                  11/29/88
4,788,584                    07/166,731                  11/29/88
4,788,587                    07/056,321                  11/29/88
4,788,598                    06/924,052                  11/29/88
4,788,600                    07/038,391                  11/29/88
4,788,606                    07/097,814                  11/29/88
4,788,613                    07/070,106                  11/29/88
4,788,619                    07/042,436                  11/29/88
4,788,623                    07/135,277                  11/29/88
4,788,629                    06/924,580                  11/29/88
4,788,631                    07/056,228                  11/29/88
4,788,632                    07/166,990                  11/29/88
4,788,636                    06/860,176                  11/29/88
4,788,658                    06/881,974                  11/29/88
4,788,667                    06/895,113                  11/29/88
4,788,675                    06/917,526                  11/29/88
4,788,678                    06/932,428                  11/29/88
4,788,682                    06/910,642                  11/29/88
4,788,696                    07/063,479                  11/29/88
4,788,697                    07/000,214                  11/29/88
4,788,717                    07/170,664                  11/29/88

                  PATENTS WHICH EXPIRED ON November 24, 2000
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

5,165,114                    07/846,732                  11/24/92
5,165,115                    07/817,700                  11/24/92
5,165,128                    07/723,998                  11/24/92
5,165,129                    07/661,518                  11/24/92
5,165,130                    07/824,993                  11/24/92
5,165,131                    07/633,534                  11/24/92
5,165,133                    07/808,430                  11/24/92
5,165,138                    07/747,125                  11/24/92
5,165,139                    07/829,387                  11/24/92
5,165,140                    07/656,238                  11/24/92
5,165,143                    07/740,101                  11/24/92
5,165,145                    07/589,141                  11/24/92
5,165,149                    07/660,038                  11/24/92
5,165,150                    07/761,930                  11/24/92
5,165,151                    07/857,322                  11/24/92
5,165,155                    07/760,886                  11/24/92
5,165,159                    07/572,978                  11/24/92
5,165,166                    07/739,344                  11/24/92
5,165,174                    07/697,943                  11/24/92
5,165,177                    07/761,064                  11/24/92
5,165,181                    07/820,920                  11/24/92
5,165,184                    07/699,923                  11/24/92
5,165,186                    07/571,634                  11/24/92
5,165,198                    07/672,360                  11/24/92
5,165,200                    07/857,967                  11/24/92
5,165,202                    07/779,381                  11/24/92
5,165,203                    07/765,327                  11/24/92
5,165,207                    07/824,517                  11/24/92
5,165,211                    07/717,613                  11/24/92
5,165,212                    07/589,676                  11/24/92
5,165,214                    07/654,638                  11/24/92
5,165,225                    07/656,856                  11/24/92
5,165,234                    07/665,887                  11/24/92
5,165,236                    07/608,814                  11/24/92
5,165,239                    07/709,567                  11/24/92
5,165,245                    07/700,021                  11/24/92
5,165,248                    07/753,588                  11/24/92
5,165,249                    07/825,053                  11/24/92
5,165,250                    07/677,428                  11/24/92
5,165,254                    07/739,200                  11/24/92
5,165,261                    07/662,833                  11/24/92
5,165,266                    07/787,605                  11/24/92
5,165,270                    07/636,336                  11/24/92
5,165,278                    07/651,589                  11/24/92
5,165,285                    07/768,768                  11/24/92
5,165,299                    07/713,216                  11/24/92
5,165,302                    07/810,533                  11/24/92
5,165,306                    07/594,914                  11/24/92
5,165,307                    07/515,053                  11/24/92
5,165,309                    07/781,692                  11/24/92
5,165,314                    07/763,333                  11/24/92
5,165,316                    07/723,931                  11/24/92
5,165,324                    07/777,044                  11/24/92
5,165,330                    07/603,343                  11/24/92
5,165,333                    07/811,076                  11/24/92
5,165,339                    07/581,003                  11/24/92
5,165,354                    07/630,482                  11/24/92
5,165,358                    07/518,154                  11/24/92
5,165,363                    07/538,916                  11/24/92
5,165,366                    07/835,863                  11/24/92
5,165,369                    07/688,589                  11/24/92
5,165,372                    07/809,177                  11/24/92
5,165,382                    07/651,742                  11/24/92
5,165,383                    07/634,082                  11/24/92
5,165,387                    07/650,228                  11/24/92
5,165,396                    07/823,746                  11/24/92
5,165,413                    07/603,925                  11/24/92
5,165,414                    07/640,680                  11/24/92
5,165,422                    07/614,154                  11/24/92
5,165,428                    07/733,963                  11/24/92
5,165,432                    07/821,313                  11/24/92
5,165,439                    07/628,327                  11/24/92
5,165,462                    07/563,809                  11/24/92
5,165,465                    07/470,294                  11/24/92
5,165,467                    07/665,285                  11/24/92
5,165,470                    07/754,518                  11/24/92
5,165,475                    07/849,788                  11/24/92
5,165,483                    07/694,117                  11/24/92
5,165,484                    07/761,428                  11/24/92
5,165,487                    07/669,753                  11/24/92
5,165,495                    07/665,334                  11/24/92
5,165,496                    07/723,780                  11/24/92
5,165,501                    07/735,927                  11/24/92
5,165,503                    07/772,060                  11/24/92
5,165,508                    07/812,724                  11/24/92
5,165,510                    07/793,635                  11/24/92
5,165,513                    07/501,250                  11/24/92
5,165,518                    07/649,852                  11/24/92
5,165,525                    07/749,522                  11/24/92
5,165,528                    07/761,525                  11/24/92
5,165,532                    07/706,720                  11/24/92
5,165,534                    07/567,460                  11/24/92
5,165,538                    07/627,227                  11/24/92
5,165,546                    07/730,337                  11/24/92
5,165,550                    07/691,148                  11/24/92
5,165,553                    07/769,714                  11/24/92
5,165,555                    07/671,487                  11/24/92
5,165,564                    07/820,539                  11/24/92
5,165,567                    07/641,606                  11/24/92
5,165,574                    07/775,316                  11/24/92
5,165,575                    07/875,522                  11/24/92
5,165,576                    07/777,656                  11/24/92
5,165,582                    07/744,434                  11/24/92
5,165,601                    07/507,476                  11/24/92
5,165,602                    07/659,000                  11/24/92
5,165,605                    07/502,281                  11/24/92
5,165,609                    07/755,071                  11/24/92
5,165,610                    07/822,027                  11/24/92
5,165,612                    07/705,970                  11/24/92
5,165,613                    07/795,276                  11/24/92
5,165,621                    07/483,632                  11/24/92
5,165,627                    07/795,251                  11/24/92
5,165,628                    07/558,581                  11/24/92
5,165,630                    07/741,803                  11/24/92
5,165,631                    07/618,239                  11/24/92
5,165,632                    07/816,487                  11/24/92
5,165,635                    07/333,617                  11/24/92
5,165,641                    07/510,066                  11/24/92
5,165,645                    07/721,146                  11/24/92
5,165,647                    07/718,998                  11/24/92
5,165,649                    07/812,645                  11/24/92
5,165,652                    07/772,232                  11/24/92
5,165,666                    07/702,583                  11/24/92
5,165,667                    07/850,386                  11/24/92
5,165,668                    07/767,683                  11/24/92
5,165,673                    07/788,180                  11/24/92
5,165,674                    07/742,024                  11/24/92
5,165,680                    07/596,713                  11/24/92
5,165,684                    07/851,901                  11/24/92
5,165,685                    07/817,328                  11/24/92
5,165,690                    07/646,208                  11/24/92
5,165,694                    07/908,086                  11/24/92
5,165,711                    07/792,831                  11/24/92
5,165,712                    07/675,859                  11/24/92
5,165,716                    07/619,348                  11/24/92
5,165,717                    07/738,981                  11/24/92
5,165,725                    07/645,578                  11/24/92
5,165,727                    07/670,280                  11/24/92
5,165,737                    07/865,569                  11/24/92
5,165,740                    07/822,225                  11/24/92
5,165,743                    07/802,059                  11/24/92
5,165,745                    07/747,519                  11/24/92
5,165,751                    07/719,682                  11/24/92
5,165,752                    07/753,798                  11/24/92
5,165,757                    07/732,641                  11/24/92
5,165,761                    07/814,946                  11/24/92
5,165,763                    07/780,509                  11/24/92
5,165,778                    07/609,239                  11/24/92
5,165,784                    07/730,280                  11/24/92
5,165,786                    07/608,774                  11/24/92
5,165,787                    07/789,955                  11/24/92
5,165,791                    07/759,552                  11/24/92
5,165,793                    07/775,332                  11/24/92
5,165,794                    07/739,376                  11/24/92
5,165,805                    07/711,447                  11/24/92
5,165,810                    07/640,608                  11/24/92
5,165,822                    07/659,361                  11/24/92
5,165,823                    07/715,617                  11/24/92
5,165,824                    07/654,283                  11/24/92
5,165,825                    07/790,372                  11/24/92
5,165,829                    07/790,762                  11/24/92
5,165,836                    07/687,233                  11/24/92
5,165,851                    07/687,248                  11/24/92
5,165,858                    07/529,105                  11/24/92
5,165,861                    07/524,281                  11/24/92
5,165,865                    07/671,331                  11/24/92
5,165,871                    07/694,828                  11/24/92
5,165,875                    07/726,669                  11/24/92
5,165,885                    07/879,991                  11/24/92
5,165,888                    07/878,166                  11/24/92
5,165,889                    07/354,613                  11/24/92
5,165,890                    07/740,304                  11/24/92
5,165,891                    07/644,073                  11/24/92
5,165,894                    07/597,178                  11/24/92
5,165,895                    07/703,566                  11/24/92
5,165,904                    07/766,422                  11/24/92
5,165,912                    07/569,127                  11/24/92
5,165,922                    07/527,227                  11/24/92
5,165,928                    07/630,244                  11/24/92
5,165,931                    07/676,614                  11/24/92
5,165,932                    07/397,429                  11/24/92
5,165,933                    07/724,449                  11/24/92
5,165,935                    07/759,827                  11/24/92
5,165,949                    07/860,538                  11/24/92
5,165,965                    07/635,075                  11/24/92
5,165,985                    07/722,923                  11/24/92
5,165,986                    07/710,559                  11/24/92
5,165,990                    07/615,471                  11/24/92
5,165,997                    07/495,454                  11/24/92
5,166,007                    07/757,690                  11/24/92
5,166,009                    07/676,507                  11/24/92
5,166,010                    07/834,732                  11/24/92
5,166,022                    07/613,060                  11/24/92
5,166,028                    07/304,160                  11/24/92
5,166,037                    07/655,479                  11/24/92
5,166,038                    07/387,245                  11/24/92
5,166,049                    07/610,679                  11/24/92
5,166,050                    07/625,777                  11/24/92
5,166,052                    07/222,115                  11/24/92
5,166,056                    07/804,293                  11/24/92
5,166,062                    07/470,668                  11/24/92
5,166,071                    07/358,737                  11/24/92
5,166,073                    07/347,692                  11/24/92
5,166,074                    07/609,850                  11/24/92
5,166,098                    07/652,967                  11/24/92
5,166,099                    07/759,912                  11/24/92
5,166,100                    07/622,909                  11/24/92
5,166,105                    07/624,836                  11/24/92
5,166,107                    07/215,517                  11/24/92
5,166,109                    07/781,583                  11/24/92
5,166,123                    07/622,482                  11/24/92
5,166,133                    07/700,526                  11/24/92
5,166,150                    07/719,011                  11/24/92
5,166,155                    07/667,855                  11/24/92
5,166,161                    07/644,644                  11/24/92
5,166,162                    07/825,142                  11/24/92
5,166,177                    07/533,403                  11/24/92
5,166,184                    07/873,685                  11/24/92
5,166,194                    07/652,380                  11/24/92
5,166,196                    07/860,590                  11/24/92
5,166,199                    07/567,362                  11/24/92
5,166,200                    07/683,647                  11/24/92
5,166,202                    07/809,205                  11/24/92
5,166,209                    07/598,494                  11/24/92
5,166,212                    07/691,625                  11/24/92
5,166,214                    07/533,241                  11/24/92
5,166,221                    07/606,314                  11/24/92
5,166,232                    07/671,064                  11/24/92
5,166,237                    07/482,629                  11/24/92
5,166,241                    07/457,768                  11/24/92
5,166,244                    07/619,547                  11/24/92
5,166,248                    07/704,358                  11/24/92
5,166,250                    07/674,899                  11/24/92
5,166,253                    07/766,256                  11/24/92
5,166,254                    07/620,893                  11/24/92
5,166,266                    07/766,251                  11/24/92
5,166,270                    07/500,932                  11/24/92
5,166,271                    07/401,833                  11/24/92
5,166,272                    07/502,954                  11/24/92
5,166,275                    07/819,409                  11/24/92
5,166,280                    07/755,762                  11/24/92
5,166,288                    07/456,750                  11/24/92
5,166,294                    07/509,221                  11/24/92
5,166,302                    07/872,275                  11/24/92
5,166,303                    07/513,466                  11/24/92
5,166,307                    07/402,863                  11/24/92
5,166,310                    07/750,672                  11/24/92
5,166,316                    07/710,882                  11/24/92
5,166,324                    07/651,864                  11/24/92
5,166,325                    07/691,274                  11/24/92
5,166,333                    07/694,696                  11/24/92
5,166,343                    07/788,254                  11/24/92
5,166,353                    07/700,571                  11/24/92
5,166,357                    07/418,649                  11/24/92
5,166,359                    07/680,037                  11/24/92
5,166,361                    07/766,958                  11/24/92
5,166,362                    07/748,405                  11/24/92
5,166,368                    07/691,473                  11/24/92
5,166,373                    07/815,623                  11/24/92
5,166,381                    07/776,445                  11/24/92
5,166,388                    07/549,048                  11/24/92
5,166,390                    07/461,553                  11/24/92
5,166,391                    07/686,744                  11/24/92
5,166,397                    07/757,312                  11/24/92
5,166,404                    07/771,713                  11/24/92
5,166,405                    07/831,119                  11/24/92
5,166,407                    07/826,555                  11/24/92
5,166,417                    07/750,659                  11/24/92
5,166,420                    07/784,604                  11/24/92
5,166,426                    07/858,492                  11/24/92
5,166,434                    07/677,989                  11/24/92
5,166,435                    07/177,836                  11/24/92
5,166,436                    07/763,682                  11/24/92
5,166,442                    07/730,415                  11/24/92
5,166,457                    07/823,855                  11/24/92
5,166,458                    07/640,067                  11/24/92
5,166,463                    07/779,927                  11/24/92
5,166,466                    07/706,591                  11/24/92
5,166,467                    07/701,861                  11/24/92
5,166,470                    07/744,268                  11/24/92
5,166,475                    07/696,894                  11/24/92
5,166,476                    07/584,088                  11/24/92
5,166,477                    07/705,866                  11/24/92
5,166,483                    07/707,897                  11/24/92
5,166,488                    07/693,322                  11/24/92
5,166,492                    07/676,021                  11/24/92
5,166,500                    07/753,644                  11/24/92
5,166,504                    07/759,562                  11/24/92
5,166,505                    07/690,270                  11/24/92
5,166,506                    07/648,507                  11/24/92
5,166,522                    07/799,934                  11/24/92
5,166,523                    07/654,582                  11/24/92
5,166,538                    07/585,582                  11/24/92
5,166,550                    07/635,078                  11/24/92
5,166,552                    07/659,404                  11/24/92
5,166,571                    07/555,376                  11/24/92
5,166,581                    07/751,374                  11/24/92
5,166,585                    07/771,738                  11/24/92
5,166,586                    07/669,022                  11/24/92
5,166,595                    07/583,697                  11/24/92
5,166,598                    07/563,380                  11/24/92
5,166,601                    07/651,685                  11/24/92
5,166,611                    07/818,278                  11/24/92
5,166,612                    07/612,179                  11/24/92
5,166,619                    07/619,467                  11/24/92
5,166,622                    07/702,516                  11/24/92
5,166,627                    07/707,538                  11/24/92
5,166,638                    07/761,189                  11/24/92
5,166,643                    07/843,796                  11/24/92
5,166,644                    07/812,919                  11/24/92
5,166,654                    07/861,071                  11/24/92
5,166,655                    07/697,744                  11/24/92
5,166,663                    07/657,810                  11/24/92
5,166,667                    07/724,839                  11/24/92
5,166,669                    07/674,672                  11/24/92
5,166,681                    07/560,052                  11/24/92
5,166,684                    07/794,216                  11/24/92
5,166,688                    07/548,797                  11/24/92
5,166,689                    07/797,653                  11/24/92
5,166,695                    07/729,666                  11/24/92
5,166,696                    07/615,961                  11/24/92
5,166,701                    07/531,431                  11/24/92
5,166,704                    07/669,458                  11/24/92
5,166,725                    07/740,982                  11/24/92
5,166,727                    07/859,992                  11/24/92
5,166,757                    07/498,752                  11/24/92
5,166,766                    07/777,884                  11/24/92
5,166,768                    07/631,452                  11/24/92
5,166,790                    07/563,476                  11/24/92
5,166,797                    07/633,837                  11/24/92
5,166,800                    07/671,521                  11/24/92
5,166,801                    07/616,431                  11/24/92
5,166,815                    07/662,257                  11/24/92
5,166,819                    07/482,185                  11/24/92
5,166,822                    07/704,256                  11/24/92
5,166,833                    07/743,921                  11/24/92
5,166,837                    07/615,907                  11/24/92
5,166,838                    07/498,710                  11/24/92
5,166,865                    07/768,470                  11/24/92
5,166,867                    07/027,062                  11/24/92
5,166,868                    07/837,574                  11/24/92
5,166,871                    07/575,580                  11/24/92
5,166,880                    07/794,233                  11/24/92
5,166,888                    07/626,087                  11/24/92
5,166,889                    07/295,498                  11/24/92
5,166,892                    07/842,746                  11/24/92
5,166,893                    07/853,854                  11/24/92
5,166,905                    07/779,654                  11/24/92
5,166,908                    07/746,309                  11/24/92
5,166,910                    07/776,127                  11/24/92
5,166,914                    07/454,501                  11/24/92
5,166,921                    07/708,817                  11/24/92
5,166,925                    07/591,636                  11/24/92
5,166,929                    07/539,832                  11/24/92
5,166,942                    07/732,379                  11/24/92
5,166,956                    07/526,925                  11/24/92
5,166,964                    07/873,602                  11/24/92
5,166,966                    07/476,186                  11/24/92
5,166,968                    07/831,490                  11/24/92
5,166,976                    07/764,575                  11/24/92
5,166,980                    07/723,056                  11/24/92
5,166,988                    07/785,860                  11/24/92
5,166,990                    07/751,818                  11/24/92
5,166,999                    07/782,948                  11/24/92
5,167,003                    07/731,674                  11/24/92
5,167,008                    07/752,290                  11/24/92
5,167,012                    07/787,765                  11/24/92
5,167,021                    07/246,249                  11/24/92
5,167,023                    07/625,780                  11/24/92
5,167,029                    07/450,182                  11/24/92
5,167,035                    07/836,197                  11/24/92

                  PATENTS WHICH EXPIRED ON November 26, 2000
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

5,577,272                    08/453,520                  11/26/96
5,577,274                    08/443,584                  11/26/96
5,577,283                    08/406,424                  11/26/96
5,577,287                    08/618,038                  11/26/96
5,577,289                    08/509,511                  11/26/96
5,577,291                    08/581,773                  11/26/96
5,577,300                    08/377,368                  11/26/96
5,577,302                    08/508,583                  11/26/96
5,577,314                    08/424,937                  11/26/96
5,577,317                    08/366,266                  11/26/96
5,577,321                    08/252,672                  11/26/96
5,577,325                    08/546,693                  11/26/96
5,577,331                    08/476,240                  11/26/96
5,577,335                    08/348,479                  11/26/96
5,577,339                    08/340,111                  11/26/96
5,577,340                    08/489,154                  11/26/96
5,577,341                    08/406,580                  11/26/96
5,577,342                    08/440,006                  11/26/96
5,577,347                    08/087,836                  11/26/96
5,577,350                    08/351,368                  11/26/96
5,577,359                    08/494,400                  11/26/96
5,577,372                    08/302,812                  11/26/96
5,577,374                    08/511,534                  11/26/96
5,577,385                    08/526,593                  11/26/96
5,577,393                    08/472,118                  11/26/96
5,577,395                    08/433,750                  11/26/96
5,577,400                    08/569,586                  11/26/96
5,577,401                    08/558,803                  11/26/96
5,577,407                    08/511,940                  11/26/96
5,577,419                    08/331,185                  11/26/96
5,577,428                    08/326,868                  11/26/96
5,577,429                    08/265,359                  11/26/96
5,577,430                    08/287,627                  11/26/96
5,577,440                    08/590,938                  11/26/96
5,577,442                    08/416,996                  11/26/96
5,577,445                    08/027,697                  11/26/96
5,577,451                    08/492,155                  11/26/96
5,577,459                    08/427,120                  11/26/96
5,577,465                    08/264,701                  11/26/96
5,577,467                    08/170,704                  11/26/96
5,577,478                    08/552,800                  11/26/96
5,577,480                    08/296,637                  11/26/96
5,577,490                    08/587,158                  11/26/96
5,577,495                    08/379,610                  11/26/96
5,577,498                    08/267,589                  11/26/96
5,577,506                    08/550,415                  11/26/96
5,577,507                    08/343,078                  11/26/96
5,577,510                    08/516,743                  11/26/96
5,577,515                    08/523,786                  11/26/96
5,577,516                    08/217,336                  11/26/96
5,577,521                    08/277,240                  11/26/96
5,577,530                    08/563,774                  11/26/96
5,577,532                    08/273,406                  11/26/96
5,577,538                    08/349,203                  11/26/96
5,577,542                    08/565,473                  11/26/96
5,577,554                    08/271,783                  11/26/96
5,577,562                    08/322,607                  11/26/96
5,577,563                    08/507,889                  11/26/96
5,577,574                    08/339,792                  11/26/96
5,577,575                    08/481,263                  11/26/96
5,577,592                    08/374,045                  11/26/96
5,577,594                    08/336,267                  11/26/96
5,577,596                    08/203,155                  11/26/96
5,577,611                    08/448,431                  11/26/96
5,577,628                    08/527,574                  11/26/96
5,577,635                    08/498,245                  11/26/96
5,577,643                    08/340,589                  11/26/96
5,577,648                    07/987,016                  11/26/96
5,577,649                    08/299,208                  11/26/96
5,577,653                    08/367,838                  11/26/96
5,577,655                    08/346,784                  11/26/96
5,577,665                    08/650,067                  11/26/96
5,577,672                    08/390,993                  11/26/96
5,577,676                    08/326,018                  11/26/96
5,577,677                    08/395,563                  11/26/96
5,577,678                    08/264,646                  11/26/96
5,577,679                    08/328,146                  11/26/96
5,577,685                    08/428,291                  11/26/96
5,577,687                    08/517,067                  11/26/96
5,577,688                    08/261,273                  11/26/96
5,577,689                    08/340,871                  11/26/96
5,577,693                    08/371,019                  11/26/96
5,577,695                    08/182,656                  11/26/96
5,577,698                    08/382,966                  11/26/96
5,577,711                    08/429,174                  11/26/96
5,577,713                    08/304,702                  11/26/96
5,577,718                    08/419,186                  11/26/96
5,577,729                    08/390,077                  11/26/96
5,577,730                    08/499,185                  11/26/96
5,577,734                    08/302,612                  11/26/96
5,577,736                    08/206,117                  11/26/96
5,577,737                    08/608,953                  11/26/96
5,577,741                    08/503,212                  11/26/96
5,577,750                    08/272,663                  11/26/96
5,577,751                    08/354,468                  11/26/96
5,577,755                    08/273,427                  11/26/96
5,577,758                    08/539,429                  11/26/96
5,577,759                    08/396,469                  11/26/96
5,577,760                    08/519,796                  11/26/96
5,577,780                    08/507,645                  11/26/96
5,577,787                    08/557,894                  11/26/96
5,577,793                    08/051,074                  11/26/96
5,577,800                    08/184,372                  11/26/96
5,577,803                    08/498,853                  11/26/96
5,577,806                    08/322,320                  11/26/96
5,577,815                    08/416,320                  11/26/96
5,577,817                    08/509,240                  11/26/96
5,577,818                    08/412,917                  11/26/96
5,577,822                    08/352,813                  11/26/96
5,577,824                    08/400,246                  11/26/96
5,577,828                    08/331,726                  11/26/96
5,577,831                    08/585,461                  11/26/96
5,577,835                    08/379,196                  11/26/96
5,577,836                    08/476,274                  11/26/96
5,577,840                    08/242,320                  11/26/96
5,577,844                    08/253,292                  11/26/96
5,577,846                    08/461,378                  11/26/96
5,577,849                    08/403,023                  11/26/96
5,577,858                    08/429,597                  11/26/96
5,577,862                    08/381,593                  11/26/96
5,577,864                    08/256,165                  11/26/96
5,577,865                    08/508,356                  11/26/96
5,577,873                    08/346,072                  11/26/96
5,577,890                    08/205,038                  11/26/96
5,577,899                    08/252,739                  11/26/96
5,577,904                    08/414,319                  11/26/96
5,577,905                    08/340,527                  11/26/96
5,577,912                    08/308,275                  11/26/96
5,577,916                    08/385,855                  11/26/96
5,577,917                    08/439,433                  11/26/96
5,577,926                    08/349,579                  11/26/96
5,577,932                    08/443,723                  11/26/96
5,577,952                    08/593,072                  11/26/96
5,577,953                    08/350,519                  11/26/96
5,577,959                    08/256,163                  11/26/96
5,577,964                    08/571,162                  11/26/96
5,577,966                    08/358,804                  11/26/96
5,577,968                    08/547,757                  11/26/96
5,577,971                    08/477,196                  11/26/96
5,577,972                    08/424,206                  11/26/96
5,577,976                    08/522,006                  11/26/96
5,577,982                    08/535,591                  11/26/96
5,578,000                    08/376,681                  11/26/96
5,578,002                    08/268,123                  11/26/96
5,578,003                    08/523,475                  11/26/96
5,578,008                    08/136,644                  11/26/96
5,578,009                    08/277,878                  11/26/96
5,578,017                    08/432,567                  11/26/96
5,578,020                    08/522,715                  11/26/96
5,578,021                    08/539,794                  11/26/96
5,578,023                    08/372,043                  11/26/96
5,578,030                    08/334,836                  11/26/96
5,578,047                    08/291,536                  11/26/96
5,578,049                    08/315,535                  11/26/96
5,578,052                    08/317,307                  11/26/96
5,578,054                    08/298,823                  11/26/96
5,578,070                    08/594,775                  11/26/96
5,578,073                    08/307,335                  11/26/96
5,578,077                    08/292,877                  11/26/96
5,578,088                    08/496,597                  11/26/96
5,578,089                    08/522,837                  11/26/96
5,578,090                    08/477,261                  11/26/96
5,578,113                    08/277,441                  11/26/96
5,578,114                    08/395,457                  11/26/96
5,578,116                    08/282,346                  11/26/96
5,578,120                    08/601,833                  11/26/96
5,578,121                    08/224,321                  11/26/96
5,578,131                    08/459,197                  11/26/96
5,578,143                    08/500,883                  11/26/96
5,578,149                    08/456,087                  11/26/96
5,578,154                    08/256,002                  11/26/96
5,578,156                    08/250,625                  11/26/96
5,578,160                    08/418,250                  11/26/96
5,578,172                    08/359,878                  11/26/96
5,578,177                    08/546,621                  11/26/96
5,578,198                    07/586,259                  11/26/96
5,578,201                    08/451,353                  11/26/96
5,578,208                    08/218,950                  11/26/96
5,578,209                    08/310,143                  11/26/96
5,578,219                    08/418,751                  11/26/96
5,578,220                    08/506,171                  11/26/96
5,578,221                    08/363,417                  11/26/96
5,578,230                    08/257,269                  11/26/96
5,578,239                    08/209,162                  11/26/96
5,578,247                    08/517,295                  11/26/96
5,578,254                    08/422,047                  11/26/96
5,578,280                    08/431,153                  11/26/96
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