United States Patent and Trademark Office OG Notices: 26 March 2002

                        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 January 23, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

4,894,868                        07/281,674                       01/23/90
4,894,872                        07/264,028                       01/23/90
4,894,873                        07/184,338                       01/23/90
4,894,881                        07/318,821                       01/23/90
4,894,883                        07/007,514                       01/23/90
4,894,886                        07/097,601                       01/23/90
4,894,896                        07/273,764                       01/23/90
4,894,897                        06/760,118                       01/23/90
4,894,900                        07/243,287                       01/23/90
4,894,910                        07/237,462                       01/23/90
4,894,922                        07/160,843                       01/23/90
4,894,924                        07/275,688                       01/23/90
4,894,925                        07/218,886                       01/23/90
4,894,932                        07/152,374                       01/23/90
4,894,942                        07/223,616                       01/23/90
4,894,946                        07/239,543                       01/23/90
4,894,948                        07/276,949                       01/23/90
4,894,950                        07/230,889                       01/23/90
4,894,958                        07/142,158                       01/23/90
4,894,962                        07/346,521                       01/23/90
4,894,966                        07/268,867                       01/23/90
4,894,972                        07/134,093                       01/23/90
4,894,973                        07/209,345                       01/23/90
4,894,979                        06/498,412                       01/23/90
4,894,980                        07/188,508                       01/23/90
4,894,986                        07/343,444                       01/23/90
4,894,989                        07/364,556                       01/23/90
4,894,992                        07/263,670                       01/23/90
4,894,995                        07/354,836                       01/23/90
4,894,996                        07/330,325                       01/23/90
4,895,002                        07/295,530                       01/23/90
4,895,003                        07/207,807                       01/23/90
4,895,008                        07/135,030                       01/23/90
4,895,018                        07/321,960                       01/23/90
4,895,019                        07/189,430                       01/23/90
4,895,030                        07/136,907                       01/23/90
4,895,031                        07/226,554                       01/23/90
4,895,037                        07/344,435                       01/23/90
4,895,038                        07/188,050                       01/23/90
4,895,040                        07/235,511                       01/23/90
4,895,041                        07/283,461                       01/23/90
4,895,043                        07/270,044                       01/23/90
4,895,049                        07/226,485                       01/23/90
4,895,050                        07/086,625                       01/23/90
4,895,063                        07/130,274                       01/23/90
4,895,086                        06/680,301                       01/23/90
4,895,089                        07/304,523                       01/23/90
4,895,099                        07/267,044                       01/23/90
4,895,113                        07/330,459                       01/23/90
4,895,114                        07/276,036                       01/23/90
4,895,115                        07/308,097                       01/23/90
4,895,117                        07/170,831                       01/23/90
4,895,118                        07/252,604                       01/23/90
4,895,125                        07/248,943                       01/23/90
4,895,130                        07/358,133                       01/23/90
4,895,132                        07/235,890                       01/23/90
4,895,157                        07/155,572                       01/23/90
4,895,163                        07/197,995                       01/23/90
4,895,164                        07/244,738                       01/23/90
4,895,167                        07/295,912                       01/23/90
4,895,170                        07/223,876                       01/23/90
4,895,182                        07/292,334                       01/23/90
4,895,184                        07/135,738                       01/23/90
4,895,191                        07/347,515                       01/23/90
4,895,194                        07/241,819                       01/23/90
4,895,197                        07/201,864                       01/23/90
4,895,200                        07/276,176                       01/23/90
4,895,204                        07/138,502                       01/23/90
4,895,206                        07/324,398                       01/23/90
4,895,207                        07/285,996                       01/23/90
4,895,214                        07/272,787                       01/23/90
4,895,244                        07/231,652                       01/23/90
4,895,255                        07/234,776                       01/23/90
4,895,266                        07/275,414                       01/23/90
4,895,271                        07/256,932                       01/23/90
4,895,273                        07/243,065                       01/23/90
4,895,282                        07/226,494                       01/23/90
4,895,285                        07/197,423                       01/23/90
4,895,293                        07/189,191                       01/23/90
4,895,297                        07/216,106                       01/23/90
4,895,301                        07/351,415                       01/23/90
4,895,302                        07/292,549                       01/23/90
4,895,304                        07/325,017                       01/23/90
4,895,309                        07/291,374                       01/23/90
4,895,310                        07/307,532                       01/23/90
4,895,314                        07/186,338                       01/23/90
4,895,319                        07/286,890                       01/23/90
4,895,320                        07/268,491                       01/23/90
4,895,330                        07/323,508                       01/23/90
4,895,335                        07/342,353                       01/23/90
4,895,338                        07/291,217                       01/23/90
4,895,356                        07/219,788                       01/23/90
4,895,369                        07/342,318                       01/23/90
4,895,379                        07/245,261                       01/23/90
4,895,382                        07/298,242                       01/23/90
4,895,390                        07/245,505                       01/23/90
4,895,391                        07/228,207                       01/23/90
4,895,392                        07/184,616                       01/23/90
4,895,397                        07/237,308                       01/23/90
4,895,400                        07/247,729                       01/23/90
4,895,401                        07/094,806                       01/23/90
4,895,402                        07/177,757                       01/23/90
4,895,408                        07/245,516                       01/23/90
4,895,409                        07/141,763                       01/23/90
4,895,410                        07/226,696                       01/23/90
4,895,412                        07/263,942                       01/23/90
4,895,417                        07/314,074                       01/23/90
4,895,433                        07/303,980                       01/23/90
4,895,444                        07/180,490                       01/23/90
4,895,450                        07/345,786                       01/23/90
4,895,453                        07/237,017                       01/23/90
4,895,457                        07/239,486                       01/23/90
4,895,459                        07/370,459                       01/23/90
4,895,462                        07/233,203                       01/23/90
4,895,465                        07/109,489                       01/23/90
4,895,477                        07/167,210                       01/23/90
4,895,478                        07/234,889                       01/23/90
4,895,491                        07/208,098                       01/23/90
4,895,498                        07/293,929                       01/23/90
4,895,521                        07/297,636                       01/23/90
4,895,522                        07/298,376                       01/23/90
4,895,523                        07/268,146                       01/23/90
4,895,524                        07/171,474                       01/23/90
4,895,530                        07/314,991                       01/23/90
4,895,539                        07/235,278                       01/23/90
4,895,560                        07/176,365                       01/23/90
4,895,575                        07/210,506                       01/23/90
4,895,587                        06/875,686                       01/23/90
4,895,592                        07/133,599                       01/23/90
4,895,593                        07/221,876                       01/23/90
4,895,598                        07/198,722                       01/23/90
4,895,600                        07/225,322                       01/23/90
4,895,602                        07/145,303                       01/23/90
4,895,603                        07/286,354                       01/23/90
4,895,604                        07/269,496                       01/23/90
4,895,605                        07/234,400                       01/23/90
4,895,608                        07/187,828                       01/23/90
4,895,615                        07/319,010                       01/23/90
4,895,626                        07/338,788                       01/23/90
4,895,634                        07/207,334                       01/23/90
4,895,636                        07/206,240                       01/23/90
4,895,645                        07/131,989                       01/23/90
4,895,651                        07/322,645                       01/23/90
4,895,653                        07/149,738                       01/23/90
4,895,655                        07/183,583                       01/23/90
4,895,669                        07/262,972                       01/23/90
4,895,683                        07/301,237                       01/23/90
4,895,691                        07/354,321                       01/23/90
4,895,693                        07/251,482                       01/23/90
4,895,697                        07/248,931                       01/23/90
4,895,698                        07/168,060                       01/23/90
4,895,700                        07/240,629                       01/23/90
4,895,710                        07/104,056                       01/23/90
4,895,711                        07/326,989                       01/23/90
4,895,712                        07/185,110                       01/23/90
4,895,715                        07/351,261                       01/23/90
4,895,717                        07/071,948                       01/23/90
4,895,725                        07/177,498                       01/23/90
4,895,736                        07/248,243                       01/23/90
4,895,743                        07/175,560                       01/23/90
4,895,754                        07/301,163                       01/23/90
4,895,757                        07/072,406                       01/23/90
4,895,761                        07/239,496                       01/23/90
4,895,774                        07/310,309                       01/23/90
4,895,786                        07/351,268                       01/23/90
4,895,788                        07/199,315                       01/23/90
4,895,799                        07/017,662                       01/23/90
4,895,805                        07/235,485                       01/23/90
4,895,815                        07/128,043                       01/23/90
4,895,823                        06/891,009                       01/23/90
4,895,835                        07/272,496                       01/23/90
4,895,837                        07/296,172                       01/23/90
4,895,842                        06/912,480                       01/23/90
4,895,847                        07/247,401                       01/23/90
4,895,848                        07/227,962                       01/23/90
4,895,858                        07/248,504                       01/23/90
4,895,866                        07/271,732                       01/23/90
4,895,872                        07/324,360                       01/23/90
4,895,881                        07/052,532                       01/23/90
4,895,883                        07/280,091                       01/23/90
4,895,885                        07/240,739                       01/23/90
4,895,892                        07/194,013                       01/23/90
4,895,893                        07/194,016                       01/23/90
4,895,894                        07/200,287                       01/23/90
4,895,900                        07/131,240                       01/23/90
4,895,904                        07/115,597                       01/23/90
4,895,906                        07/221,430                       01/23/90
4,895,907                        07/232,187                       01/23/90
4,895,910                        07/161,822                       01/23/90
4,895,912                        07/194,015                       01/23/90
4,895,924                        07/194,014                       01/23/90
4,895,925                        07/194,012                       01/23/90
4,895,926                        07/332,123                       01/23/90
4,895,945                        07/144,901                       01/23/90
4,895,951                        07/297,898                       01/23/90
4,895,953                        07/311,011                       01/23/90
4,895,961                        07/167,114                       01/23/90
4,895,962                        07/218,251                       01/23/90
4,895,967                        07/248,658                       01/23/90
4,895,968                        07/261,450                       01/23/90
4,895,970                        07/223,462                       01/23/90
4,895,972                        07/239,259                       01/23/90
4,895,975                        07/165,906                       01/23/90
4,895,976                        07/197,221                       01/23/90
4,896,001                        06/822,496                       01/23/90
4,896,007                        07/227,257                       01/23/90
4,896,010                        07/284,704                       01/23/90
4,896,012                        07/331,867                       01/23/90
4,896,016                        07/341,838                       01/23/90
4,896,018                        07/062,543                       01/23/90
4,896,023                        07/199,251                       01/23/90
4,896,028                        07/314,127                       01/23/90
4,896,041                        06/931,538                       01/23/90
4,896,044                        07/312,768                       01/23/90
4,896,054                        06/802,923                       01/23/90
4,896,060                        07/264,902                       01/23/90
4,896,061                        07/283,679                       01/23/90
4,896,077                        07/363,425                       01/23/90
4,896,083                        07/190,257                       01/23/90
4,896,095                        07/119,373                       01/23/90
4,896,097                        07/071,655                       01/23/90
4,896,103                        07/183,302                       01/23/90
4,896,111                        07/278,453                       01/23/90
4,896,113                        07/368,145                       01/23/90
4,896,115                        07/201,014                       01/23/90
4,896,122                        07/380,047                       01/23/90
4,896,125                        07/284,341                       01/23/90
4,896,127                        07/267,522                       01/23/90
4,896,128                        07/278,124                       01/23/90
4,896,132                        07/245,047                       01/23/90
4,896,134                        07/188,959                       01/23/90
4,896,145                        07/202,050                       01/23/90
4,896,151                        07/112,212                       01/23/90
4,896,155                        07/210,046                       01/23/90
4,896,157                        07/297,014                       01/23/90
4,896,161                        07/063,383                       01/23/90
4,896,163                        07/215,390                       01/23/90
4,896,169                        07/210,227                       01/23/90
4,896,191                        07/241,245                       01/23/90
4,896,194                        07/216,746                       01/23/90
4,896,195                        07/168,067                       01/23/90
4,896,203                        07/235,277                       01/23/90
4,896,204                        07/224,172                       01/23/90
4,896,205                        07/317,146                       01/23/90
4,896,206                        07/313,651                       01/23/90
4,896,210                        07/121,188                       01/23/90
4,896,213                        06/885,825                       01/23/90
4,896,218                        07/093,844                       01/23/90
4,896,221                        07/208,879                       01/23/90
4,896,227                        07/333,836                       01/23/90
4,896,233                        07/155,418                       01/23/90
4,896,258                        06/881,407                       01/23/90
4,896,262                        06/704,520                       01/23/90
4,896,266                        07/057,460                       01/23/90
4,896,267                        07/023,164                       01/23/90
4,896,279                        06/923,126                       01/23/90
4,896,280                        07/138,909                       01/23/90
4,896,281                        07/239,485                       01/23/90
4,896,287                        07/200,491                       01/23/90
4,896,291                        07/196,922                       01/23/90
4,896,299                        07/114,245                       01/23/90
4,896,300                        07/126,258                       01/23/90
4,896,320                        07/193,782                       01/23/90
4,896,343                        07/189,143                       01/23/90
4,896,344                        06/661,146                       01/23/90
4,896,345                        07/311,469                       01/23/90
4,896,351                        07/061,379                       01/23/90
4,896,357                        07/072,884                       01/23/90
4,896,359                        07/196,169                       01/23/90
4,896,360                        07/199,415                       01/23/90
4,896,365                        07/268,611                       01/23/90
4,896,371                        07/123,508                       01/23/90

                   PATENTS WHICH EXPIRED ON January 18, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

5,278,998                        08/015,556                       01/18/94
5,278,999                        08/018,115                       01/18/94
5,279,005                        08/059,873                       01/18/94
5,279,009                        08/103,441                       01/18/94
5,279,013                        07/734,779                       01/18/94
5,279,014                        08/013,358                       01/18/94
5,279,029                        08/059,401                       01/18/94
5,279,035                        07/997,352                       01/18/94
5,279,036                        08/003,824                       01/18/94
5,279,037                        08/000,886                       01/18/94
5,279,041                        07/956,835                       01/18/94
5,279,047                        07/880,738                       01/18/94
5,279,050                        08/057,706                       01/18/94
5,279,057                        08/004,772                       01/18/94
5,279,068                        07/906,519                       01/18/94
5,279,077                        07/977,154                       01/18/94
5,279,078                        07/906,738                       01/18/94
5,279,084                        07/877,756                       01/18/94
5,279,087                        07/868,603                       01/18/94
5,279,090                        07/851,635                       01/18/94
5,279,094                        07/909,968                       01/18/94
5,279,099                        08/055,742                       01/18/94
5,279,103                        07/887,807                       01/18/94
5,279,107                        07/906,604                       01/18/94
5,279,117                        07/906,876                       01/18/94
5,279,124                        08/010,388                       01/18/94
5,279,145                        07/965,435                       01/18/94
5,279,150                        07/851,183                       01/18/94
5,279,161                        07/868,546                       01/18/94
5,279,164                        07/903,925                       01/18/94
5,279,166                        07/953,039                       01/18/94
5,279,167                        07/895,788                       01/18/94
5,279,169                        07/819,871                       01/18/94
5,279,175                        07/888,638                       01/18/94
5,279,176                        07/915,567                       01/18/94
5,279,186                        07/995,394                       01/18/94
5,279,192                        07/832,423                       01/18/94
5,279,197                        07/978,279                       01/18/94
5,279,198                        07/985,844                       01/18/94
5,279,201                        07/915,604                       01/18/94
5,279,208                        07/938,121                       01/18/94
5,279,213                        07/747,866                       01/18/94
5,279,222                        08/015,570                       01/18/94
5,279,225                        07/584,045                       01/18/94
5,279,237                        07/981,349                       01/18/94
5,279,239                        07/916,958                       01/18/94
5,279,241                        08/021,893                       01/18/94
5,279,242                        07/852,329                       01/18/94
5,279,244                        08/070,885                       01/18/94
5,279,246                        07/980,648                       01/18/94
5,279,247                        07/723,125                       01/18/94
5,279,253                        07/901,393                       01/18/94
5,279,255                        08/061,236                       01/18/94
5,279,264                        08/067,131                       01/18/94
5,279,266                        08/004,269                       01/18/94
5,279,267                        07/827,998                       01/18/94
5,279,269                        08/013,926                       01/18/94
5,279,270                        07/959,702                       01/18/94
5,279,272                        08/061,278                       01/18/94
5,279,284                        07/775,729                       01/18/94
5,279,294                        07/499,085                       01/18/94
5,279,296                        07/637,289                       01/18/94
5,279,307                        07/962,701                       01/18/94
5,279,310                        08/009,218                       01/18/94
5,279,314                        07/812,725                       01/18/94
5,279,330                        08/004,395                       01/18/94
5,279,341                        07/977,603                       01/18/94
5,279,343                        07/760,731                       01/18/94
5,279,348                        07/760,108                       01/18/94
5,279,355                        07/722,978                       01/18/94
5,279,356                        07/646,141                       01/18/94
5,279,362                        07/875,229                       01/18/94
5,279,364                        07/685,820                       01/18/94
5,279,367                        07/896,710                       01/18/94
5,279,376                        07/874,024                       01/18/94
5,279,386                        08/023,564                       01/18/94
5,279,389                        07/894,914                       01/18/94
5,279,393                        07/990,465                       01/18/94
5,279,396                        08/072,863                       01/18/94
5,279,403                        07/917,367                       01/18/94
5,279,406                        07/961,082                       01/18/94
5,279,407                        07/936,238                       01/18/94
5,279,408                        07/938,011                       01/18/94
5,279,412                        07/981,514                       01/18/94
5,279,414                        07/960,006                       01/18/94
5,279,419                        07/856,224                       01/18/94
5,279,425                        07/893,507                       01/18/94
5,279,426                        07/979,790                       01/18/94
5,279,430                        08/061,214                       01/18/94
5,279,431                        07/987,665                       01/18/94
5,279,435                        07/840,298                       01/18/94
5,279,437                        07/986,495                       01/18/94
5,279,445                        07/912,693                       01/18/94
5,279,450                        08/082,011                       01/18/94
5,279,451                        07/848,423                       01/18/94
5,279,455                        07/923,842                       01/18/94
5,279,457                        07/999,588                       01/18/94
5,279,459                        08/036,291                       01/18/94
5,279,472                        07/943,317                       01/18/94
5,279,473                        07/877,212                       01/18/94
5,279,475                        07/811,003                       01/18/94
5,279,483                        07/806,599                       01/18/94
5,279,497                        07/969,287                       01/18/94
5,279,498                        07/966,548                       01/18/94
5,279,502                        07/781,849                       01/18/94
5,279,509                        08/000,701                       01/18/94
5,279,511                        07/964,350                       01/18/94
5,279,512                        07/933,760                       01/18/94
5,279,515                        07/993,750                       01/18/94
5,279,518                        08/005,005                       01/18/94
5,279,519                        08/001,095                       01/18/94
5,279,530                        07/877,413                       01/18/94
5,279,545                        08/024,257                       01/18/94
5,279,551                        07/827,412                       01/18/94
5,279,560                        07/813,122                       01/18/94
5,279,565                        08/012,704                       01/18/94
5,279,570                        07/949,455                       01/18/94
5,279,575                        07/929,729                       01/18/94
5,279,582                        07/861,552                       01/18/94
5,279,583                        07/936,338                       01/18/94
5,279,587                        08/036,003                       01/18/94
5,279,600                        07/886,404                       01/18/94
5,279,601                        07/791,994                       01/18/94
5,279,605                        07/642,172                       01/18/94
5,279,611                        07/850,726                       01/18/94
5,279,621                        07/836,502                       01/18/94
5,279,627                        07/973,135                       01/18/94
5,279,628                        07/881,844                       01/18/94
5,279,629                        08/023,588                       01/18/94
5,279,632                        07/992,184                       01/18/94
5,279,634                        07/958,687                       01/18/94
5,279,639                        07/505,847                       01/18/94
5,279,643                        08/002,353                       01/18/94
5,279,648                        07/980,655                       01/18/94
5,279,655                        07/849,042                       01/18/94
5,279,656                        07/973,666                       01/18/94
5,279,663                        07/811,623                       01/18/94
5,279,667                        07/880,600                       01/18/94
5,279,669                        07/806,504                       01/18/94
5,279,671                        07/897,990                       01/18/94
5,279,674                        07/894,641                       01/18/94
5,279,678                        07/819,882                       01/18/94
5,279,694                        07/950,640                       01/18/94
5,279,696                        07/415,177                       01/18/94
5,279,703                        07/962,186                       01/18/94
5,279,707                        07/965,997                       01/18/94
5,279,711                        07/724,246                       01/18/94
5,279,712                        07/861,918                       01/18/94
5,279,716                        07/947,407                       01/18/94
5,279,717                        07/798,715                       01/18/94
5,279,718                        07/887,296                       01/18/94
5,279,722                        07/839,349                       01/18/94
5,279,724                        07/813,540                       01/18/94
5,279,737                        08/071,948                       01/18/94
5,279,741                        07/967,526                       01/18/94
5,279,743                        07/987,503                       01/18/94
5,279,745                        07/818,427                       01/18/94
5,279,748                        07/936,509                       01/18/94
5,279,751                        07/806,970                       01/18/94
5,279,753                        07/870,382                       01/18/94
5,279,754                        07/860,578                       01/18/94
5,279,766                        07/914,211                       01/18/94
5,279,769                        07/777,396                       01/18/94
5,279,772                        08/013,482                       01/18/94
5,279,781                        07/700,596                       01/18/94
5,279,785                        07/921,699                       01/18/94
5,279,788                        07/824,003                       01/18/94
5,279,801                        07/648,138                       01/18/94
5,279,804                        07/935,804                       01/18/94
5,279,805                        07/880,203                       01/18/94
5,279,808                        07/991,885                       01/18/94
5,279,810                        07/631,115                       01/18/94
5,279,812                        07/676,592                       01/18/94
5,279,815                        08/007,889                       01/18/94
5,279,816                        07/796,160                       01/18/94
5,279,818                        07/959,829                       01/18/94
5,279,821                        07/754,374                       01/18/94
5,279,826                        07/899,915                       01/18/94
5,279,829                        07/747,018                       01/18/94
5,279,830                        07/773,663                       01/18/94
5,279,834                        07/917,516                       01/18/94
5,279,835                        07/906,465                       01/18/94
5,279,849                        07/881,603                       01/18/94
5,279,859                        07/963,593                       01/18/94
5,279,864                        07/750,733                       01/18/94
5,279,880                        07/796,492                       01/18/94
5,279,899                        07/852,464                       01/18/94
5,279,901                        07/831,475                       01/18/94
5,279,914                        07/899,274                       01/18/94
5,279,920                        07/966,436                       01/18/94
5,279,926                        07/879,665                       01/18/94
5,279,937                        07/876,784                       01/18/94
5,279,944                        07/700,611                       01/18/94
5,279,949                        07/986,368                       01/18/94
5,279,951                        07/519,776                       01/18/94
5,279,963                        07/687,395                       01/18/94
5,279,969                        07/971,687                       01/18/94
5,279,972                        07/827,190                       01/18/94
5,279,980                        07/895,439                       01/18/94
5,279,987                        07/785,656                       01/18/94
5,279,994                        08/016,333                       01/18/94
5,280,009                        07/913,654                       01/18/94
5,280,013                        07/968,280                       01/18/94
5,280,019                        07/683,631                       01/18/94
5,280,031                        07/699,832                       01/18/94
5,280,044                        07/635,993                       01/18/94
5,280,046                        07/659,818                       01/18/94
5,280,057                        08/004,147                       01/18/94
5,280,068                        07/888,583                       01/18/94
5,280,078                        07/764,986                       01/18/94
5,280,082                        08/037,662                       01/18/94
5,280,086                        07/650,883                       01/18/94
5,280,094                        08/016,228                       01/18/94
5,280,096                        07/922,716                       01/18/94
5,280,097                        07/895,376                       01/18/94
5,280,102                        07/500,503                       01/18/94
5,280,117                        07/942,574                       01/18/94
5,280,129                        07/883,876                       01/18/94
5,280,130                        07/887,993                       01/18/94
5,280,134                        07/857,404                       01/18/94
5,280,138                        07/861,018                       01/18/94
5,280,139                        07/930,498                       01/18/94
5,280,144                        07/961,366                       01/18/94
5,280,148                        07/972,653                       01/18/94
5,280,149                        07/921,690                       01/18/94
5,280,150                        07/322,718                       01/18/94
5,280,154                        07/828,060                       01/18/94
5,280,158                        07/876,968                       01/18/94
5,280,166                        07/793,802                       01/18/94
5,280,168                        07/797,593                       01/18/94
5,280,172                        07/974,625                       01/18/94
5,280,177                        07/961,286                       01/18/94
5,280,183                        07/833,592                       01/18/94
5,280,192                        07/827,255                       01/18/94
5,280,195                        07/837,350                       01/18/94
5,280,204                        07/907,906                       01/18/94
5,280,211                        07/849,000                       01/18/94
5,280,236                        07/824,012                       01/18/94
5,280,238                        07/684,928                       01/18/94
5,280,239                        07/498,860                       01/18/94
5,280,249                        07/970,055                       01/18/94
5,280,251                        07/788,990                       01/18/94
5,280,266                        07/848,278                       01/18/94
5,280,269                        07/999,600                       01/18/94
5,280,273                        07/994,204                       01/18/94
5,280,275                        07/828,535                       01/18/94
5,280,276                        07/911,540                       01/18/94
5,280,278                        07/287,750                       01/18/94
5,280,282                        07/662,367                       01/18/94
5,280,286                        07/898,020                       01/18/94
5,280,290                        07/960,678                       01/18/94
5,280,293                        07/944,080                       01/18/94
5,280,304                        07/934,271                       01/18/94
5,280,314                        07/871,361                       01/18/94
5,280,318                        07/956,138                       01/18/94
5,280,322                        08/077,498                       01/18/94
5,280,327                        07/909,348                       01/18/94
5,280,333                        07/727,629                       01/18/94
5,280,341                        07/842,867                       01/18/94
5,280,353                        07/792,946                       01/18/94
5,280,357                        07/960,050                       01/18/94
5,280,376                        07/880,570                       01/18/94
5,280,377                        07/723,290                       01/18/94
5,280,385                        07/773,913                       01/18/94
5,280,386                        07/737,792                       01/18/94
5,280,391                        07/953,239                       01/18/94
5,280,396                        07/770,450                       01/18/94
5,280,397                        07/404,190                       01/18/94
5,280,403                        08/029,886                       01/18/94
5,280,408                        07/883,370                       01/18/94
5,280,410                        07/923,785                       01/18/94
5,280,412                        08/044,238                       01/18/94
5,280,413                        07/946,950                       01/18/94
5,280,418                        07/914,251                       01/18/94
5,280,419                        07/858,335                       01/18/94
5,280,428                        07/914,175                       01/18/94
5,280,440                        07/773,727                       01/18/94
5,280,452                        07/729,120                       01/18/94
5,280,457                        07/923,709                       01/18/94
5,280,460                        07/702,915                       01/18/94
5,280,462                        07/617,326                       01/18/94
5,280,465                        07/914,766                       01/18/94
5,280,468                        07/921,995                       01/18/94
5,280,479                        07/899,684                       01/18/94
5,280,482                        07/896,635                       01/18/94
5,280,487                        07/963,948                       01/18/94
5,280,490                        07/797,451                       01/18/94
5,280,495                        07/835,666                       01/18/94
5,280,512                        07/893,140                       01/18/94
5,280,513                        07/790,330                       01/18/94
5,280,523                        07/810,092                       01/18/94
5,280,524                        07/881,425                       01/18/94
5,280,526                        07/888,075                       01/18/94
5,280,540                        07/774,182                       01/18/94
5,280,544                        07/522,980                       01/18/94
5,280,546                        07/800,424                       01/18/94
5,280,548                        08/003,090                       01/18/94
5,280,558                        07/998,320                       01/18/94
5,280,565                        07/490,761                       01/18/94
5,280,566                        07/669,131                       01/18/94
5,280,583                        07/938,593                       01/18/94
5,280,591                        07/733,563                       01/18/94
5,280,593                        08/098,760                       01/18/94
5,280,598                        07/717,779                       01/18/94
5,280,606                        07/665,955                       01/18/94
5,280,612                        07/801,769                       01/18/94
5,280,618                        07/482,607                       01/18/94
5,280,624                        07/828,841                       01/18/94
5,280,626                        07/701,359                       01/18/94
5,280,632                        07/796,087                       01/18/94
5,280,635                        07/754,563                       01/18/94
5,280,638                        07/756,255                       01/18/94
5,280,647                        07/704,414                       01/18/94

                   PATENTS WHICH EXPIRED ON January 20, 2002
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                             Serial                            Issue
Number                             Number                             Date

5,708,981                        08/800,449                       01/20/98
5,708,983                        08/827,073                       01/20/98
5,708,986                        08/691,601                       01/20/98
5,708,987                        08/781,379                       01/20/98
5,708,988                        08/683,921                       01/20/98
5,708,989                        08/621,873                       01/20/98
5,708,992                        08/545,541                       01/20/98
5,708,994                        08/598,377                       01/20/98
5,708,996                        08/534,014                       01/20/98
5,709,004                        08/680,375                       01/20/98
5,709,006                        08/359,681                       01/20/98
5,709,011                        08/670,220                       01/20/98
5,709,015                        08/702,618                       01/20/98
5,709,017                        08/557,364                       01/20/98
5,709,018                        08/430,323                       01/20/98
5,709,020                        08/639,579                       01/20/98
5,709,028                        08/564,573                       01/20/98
5,709,030                        08/743,213                       01/20/98
5,709,031                        08/806,393                       01/20/98
5,709,033                        08/684,264                       01/20/98
5,709,034                        08/608,757                       01/20/98
5,709,036                        08/642,066                       01/20/98
5,709,044                        08/692,920                       01/20/98
5,709,049                        08/635,682                       01/20/98
5,709,051                        08/758,186                       01/20/98
5,709,054                        08/785,652                       01/20/98
5,709,056                        08/682,993                       01/20/98
5,709,058                        08/529,226                       01/20/98
5,709,065                        08/688,723                       01/20/98
5,709,070                        08/451,903                       01/20/98
5,709,075                        08/788,854                       01/20/98
5,709,089                        08/610,217                       01/20/98
5,709,099                        08/495,045                       01/20/98
5,709,104                        08/603,453                       01/20/98
5,709,108                        08/647,984                       01/20/98
5,709,111                        08/565,956                       01/20/98
5,709,113                        08/618,925                       01/20/98
5,709,120                        08/604,803                       01/20/98
5,709,128                        08/464,757                       01/20/98
5,709,143                        08/560,273                       01/20/98
5,709,144                        08/685,530                       01/20/98
5,709,152                        08/601,436                       01/20/98
5,709,161                        08/658,621                       01/20/98
5,709,162                        08/722,509                       01/20/98
5,709,164                        08/413,368                       01/20/98
5,709,166                        08/612,664                       01/20/98
5,709,167                        08/710,034                       01/20/98
5,709,168                        08/706,770                       01/20/98
5,709,171                        08/586,108                       01/20/98
5,709,174                        08/553,371                       01/20/98
5,709,176                        08/726,193                       01/20/98
5,709,180                        08/795,746                       01/20/98
5,709,181                        08/795,749                       01/20/98
5,709,182                        08/782,428                       01/20/98
5,709,184                        08/785,143                       01/20/98
5,709,203                        08/755,249                       01/20/98
5,709,215                        08/524,391                       01/20/98
5,709,217                        07/967,717                       01/20/98
5,709,220                        07/808,724                       01/20/98
5,709,221                        08/770,015                       01/20/98
5,709,222                        08/779,686                       01/20/98
5,709,223                        08/254,940                       01/20/98
5,709,236                        08/743,009                       01/20/98
5,709,238                        08/619,056                       01/20/98
5,709,240                        08/692,944                       01/20/98
5,709,244                        08/539,997                       01/20/98
5,709,251                        08/676,184                       01/20/98
5,709,252                        08/465,814                       01/20/98
5,709,253                        08/689,031                       01/20/98
5,709,254                        08/666,603                       01/20/98
5,709,266                        08/606,841                       01/20/98
5,709,268                        08/597,703                       01/20/98
5,709,276                        08/621,156                       01/20/98
5,709,277                        08/499,615                       01/20/98
5,709,295                        08/606,222                       01/20/98
5,709,297                        08/625,191                       01/20/98
5,709,303                        08/620,177                       01/20/98
5,709,308                        08/469,956                       01/20/98
5,709,312                        08/607,274                       01/20/98
5,709,313                        08/493,631                       01/20/98
5,709,315                        08/379,439                       01/20/98
5,709,319                        08/727,228                       01/20/98
5,709,320                        08/688,532                       01/20/98
5,709,324                        08/650,767                       01/20/98
5,709,326                        08/581,854                       01/20/98
5,709,329                        08/548,093                       01/20/98
5,709,335                        08/550,285                       01/20/98
5,709,344                        08/692,329                       01/20/98
5,709,346                        08/635,738                       01/20/98
5,709,348                        08/773,289                       01/20/98
5,709,349                        08/651,346                       01/20/98
5,709,352                        08/681,737                       01/20/98
5,709,361                        08/594,629                       01/20/98
5,709,362                        08/440,371                       01/20/98
5,709,363                        08/609,681                       01/20/98
5,709,365                        08/642,448                       01/20/98
5,709,367                        08/616,891                       01/20/98
5,709,372                        08/562,930                       01/20/98
5,709,373                        08/567,115                       01/20/98
5,709,384                        08/613,187                       01/20/98
5,709,386                        08/644,661                       01/20/98
5,709,390                        08/693,864                       01/20/98
5,709,395                        08/586,367                       01/20/98
5,709,396                        08/816,198                       01/20/98
5,709,398                        08/596,919                       01/20/98
5,709,401                        08/548,763                       01/20/98
5,709,409                        08/631,617                       01/20/98
5,709,422                        08/664,193                       01/20/98
5,709,425                        08/726,629                       01/20/98
5,709,437                        08/712,902                       01/20/98
5,709,443                        08/749,395                       01/20/98
5,709,448                        08/709,792                       01/20/98
5,709,449                        08/825,816                       01/20/98
5,709,452                        08/548,665                       01/20/98
5,709,457                        08/687,644                       01/20/98
5,709,460                        08/767,914                       01/20/98
5,709,462                        08/785,854                       01/20/98
5,709,464                        08/715,882                       01/20/98
5,709,465                        08/568,634                       01/20/98
5,709,470                        08/499,863                       01/20/98
5,709,472                        08/546,919                       01/20/98
5,709,489                        08/734,755                       01/20/98
5,709,494                        08/632,459                       01/20/98
5,709,495                        08/759,060                       01/20/98
5,709,496                        08/714,353                       01/20/98
5,709,503                        08/349,441                       01/20/98
5,709,511                        08/558,810                       01/20/98
5,709,517                        08/737,106                       01/20/98
5,709,520                        08/592,792                       01/20/98
5,709,521                        08/651,051                       01/20/98
5,709,527                        08/558,858                       01/20/98
5,709,536                        08/379,917                       01/20/98
5,709,547                        08/601,840                       01/20/98
5,709,548                        08/801,288                       01/20/98
5,709,549                        08/530,865                       01/20/98
5,709,550                        08/704,023                       01/20/98
5,709,567                        08/690,406                       01/20/98
5,709,575                        08/805,765                       01/20/98
5,709,589                        08/623,885                       01/20/98
5,709,590                        08/543,143                       01/20/98
5,709,595                        08/771,803                       01/20/98
5,709,596                        08/589,410                       01/20/98
5,709,604                        08/585,495                       01/20/98
5,709,606                        08/619,964                       01/20/98
5,709,608                        08/734,199                       01/20/98
5,709,610                        08/758,550                       01/20/98
5,709,612                        08/748,098                       01/20/98
5,709,613                        08/662,878                       01/20/98
5,709,619                        08/717,507                       01/20/98
5,709,621                        08/501,760                       01/20/98
5,709,630                        08/801,018                       01/20/98
5,709,634                        08/188,697                       01/20/98
5,709,635                        08/541,116                       01/20/98
5,709,638                        08/560,383                       01/20/98
5,709,643                        08/556,914                       01/20/98
5,709,644                        08/663,832                       01/20/98
5,709,647                        08/509,969                       01/20/98
5,709,651                        08/831,959                       01/20/98
5,709,663                        08/595,881                       01/20/98
5,709,665                        08/658,363                       01/20/98
5,709,672                        08/551,544                       01/20/98
5,709,699                        08/515,080                       01/20/98
5,709,702                        08/730,456                       01/20/98
5,709,709                        08/600,750                       01/20/98
5,709,718                        08/692,217                       01/20/98
5,709,721                        08/595,001                       01/20/98
5,709,726                        08/552,048                       01/20/98
5,709,730                        08/376,778                       01/20/98
5,709,732                        08/626,559                       01/20/98
5,709,733                        08/654,570                       01/20/98
5,709,740                        08/606,111                       01/20/98
5,709,750                        08/613,052                       01/20/98
5,709,751                        08/710,461                       01/20/98
5,709,771                        08/298,496                       01/20/98
5,709,776                        08/756,321                       01/20/98
5,709,781                        08/799,701                       01/20/98
5,709,788                        08/563,666                       01/20/98
5,709,792                        08/619,154                       01/20/98
5,709,795                        08/689,706                       01/20/98
5,709,806                        08/753,279                       01/20/98
5,709,808                        08/677,451                       01/20/98
5,709,809                        08/622,467                       01/20/98
5,709,810                        08/567,614                       01/20/98
5,709,815                        08/771,493                       01/20/98
5,709,816                        08/685,926                       01/20/98
5,709,817                        08/562,466                       01/20/98
5,709,823                        08/714,365                       01/20/98
5,709,848                        08/528,653                       01/20/98
5,709,862                        08/148,279                       01/20/98
5,709,864                        08/596,164                       01/20/98
5,709,865                        08/445,746                       01/20/98
5,709,878                        08/691,244                       01/20/98
5,709,896                        08/665,625                       01/20/98
5,709,899                        08/786,090                       01/20/98
5,709,904                        08/680,450                       01/20/98
5,709,905                        08/789,252                       01/20/98
5,709,910                        08/554,127                       01/20/98
5,709,917                        08/691,347                       01/20/98
5,709,919                        08/358,771                       01/20/98
5,709,920                        08/583,494                       01/20/98
5,709,931                        08/512,780                       01/20/98
5,709,933                        08/756,233                       01/20/98
5,709,936                        08/648,456                       01/20/98
5,709,951                        08/502,033                       01/20/98
5,709,963                        08/684,885                       01/20/98
5,709,964                        08/618,363                       01/20/98
5,709,966                        08/562,020                       01/20/98
5,709,993                        08/605,005                       01/20/98
5,710,007                        08/536,215                       01/20/98
5,710,012                        08/450,780                       01/20/98
5,710,027                        08/249,671                       01/20/98
5,710,047                        08/516,953                       01/20/98
5,710,056                        08/706,700                       01/20/98
5,710,058                        08/552,024                       01/20/98
5,710,080                        08/530,084                       01/20/98
5,710,087                        08/476,199                       01/20/98
5,710,101                        08/545,680                       01/20/98
5,710,103                        08/627,170                       01/20/98
5,710,104                        08/628,567                       01/20/98
5,710,114                        08/654,864                       01/20/98
5,710,132                        08/651,406                       01/20/98
5,710,133                        08/483,263                       01/20/98
5,710,138                        08/537,895                       01/20/98
5,710,139                        08/381,868                       01/20/98
5,710,141                        08/724,721                       01/20/98
5,710,161                        08/527,280                       01/20/98
5,710,171                        08/648,330                       01/20/98
5,710,175                        08/627,623                       01/20/98
5,710,195                        08/286,634                       01/20/98
5,710,203                        08/334,988                       01/20/98
5,710,207                        08/615,235                       01/20/98
5,710,212                        08/671,196                       01/20/98
5,710,216                        08/572,039                       01/20/98
5,710,232                        08/601,664                       01/20/98
5,710,240                        08/606,897                       01/20/98
5,710,241                        08/205,054                       01/20/98
5,710,255                        08/204,329                       01/20/98
5,710,259                        08/459,911                       01/20/98
5,710,290                        08/734,291                       01/20/98
5,710,307                        08/802,712                       01/20/98
5,710,311                        08/536,369                       01/20/98
5,710,314                        08/460,397                       01/20/98
5,710,322                        08/808,297                       01/20/98
5,710,327                        08/809,296                       01/20/98
5,710,331                        08/548,724                       01/20/98
5,710,333                        08/693,915                       01/20/98
5,710,342                        08/568,054                       01/20/98
5,710,362                        08/650,443                       01/20/98
5,710,379                        08/720,791                       01/20/98
5,710,380                        08/660,133                       01/20/98
5,710,385                        08/242,861                       01/20/98
5,710,396                        08/582,117                       01/20/98
5,710,404                        08/688,817                       01/20/98
5,710,406                        08/631,064                       01/20/98
5,710,409                        08/539,989                       01/20/98
5,710,422                        08/651,332                       01/20/98
5,710,431                        08/706,588                       01/20/98
5,710,437                        08/204,563                       01/20/98
5,710,444                        08/448,505                       01/20/98
5,710,464                        08/587,520                       01/20/98
5,710,490                        08/581,910                       01/20/98
5,710,491                        08/476,554                       01/20/98
5,710,494                        08/490,338                       01/20/98
5,710,497                        08/617,650                       01/20/98
5,710,502                        08/660,518                       01/20/98
5,710,503                        08/595,304                       01/20/98
5,710,505                        08/753,832                       01/20/98
5,710,510                        08/692,685                       01/20/98
5,710,513                        08/568,939                       01/20/98
5,710,520                        08/673,260                       01/20/98
5,710,532                        08/440,534                       01/20/98
5,710,535                        08/759,658                       01/20/98
5,710,545                        08/541,998                       01/20/98
5,710,553                        08/491,150                       01/20/98
5,710,554                        08/595,569                       01/20/98
5,710,558                        08/585,702                       01/20/98
5,710,559                        08/401,960                       01/20/98
5,710,568                        08/488,713                       01/20/98
5,710,574                        08/557,512                       01/20/98
5,710,579                        08/434,214                       01/20/98
5,710,585                        08/434,641                       01/20/98
5,710,603                        08/498,503                       01/20/98
5,710,613                        08/658,359                       01/20/98
5,710,621                        08/428,014                       01/20/98
5,710,626                        08/746,711                       01/20/98
5,710,668                        08/451,301                       01/20/98
5,710,681                        08/586,505                       01/20/98
5,710,688                        08/779,210                       01/20/98
5,710,691                        08/638,118                       01/20/98
5,710,694                        08/640,158                       01/20/98
5,710,709                        08/109,781                       01/20/98
5,710,717                        08/408,827                       01/20/98
5,710,722                        08/653,568                       01/20/98
5,710,734                        08/589,536                       01/20/98
5,710,743                        08/661,470                       01/20/98
5,710,761                        08/458,048                       01/20/98
5,710,803                        08/713,591                       01/20/98
5,710,812                        08/659,286                       01/20/98
5,710,821                        08/152,305                       01/20/98
5,710,837                        08/459,988                       01/20/98
5,710,851                        08/553,895                       01/20/98
5,710,878                        08/480,649                       01/20/98
5,710,883                        08/402,470                       01/20/98
5,710,904                        08/225,870                       01/20/98
5,710,910                        08/316,604                       01/20/98
5,710,924                        08/427,025                       01/20/98
5,710,950                        08/497,712                       01/20/98
5,710,969                        08/613,215                       01/20/98
5,710,985                        08/383,103                       01/20/98
5,710,988                        08/665,797                       01/20/98
5,710,989                        08/714,829                       01/20/98
5,710,993                        08/575,536                       01/20/98
5,711,000                        08/521,848                       01/20/98
5,711,009                        08/617,726                       01/20/98
5,711,012                        08/639,359                       01/20/98
5,711,013                        08/582,336                       01/20/98
5,711,015                        08/588,766                       01/20/98