Patents Reinstated Due To The Acceptance of a
                       Late Maintenance Fee From 3/22/96

Patent Number   Serial Number   Filing Date   Issue Date    Granted Date

Re. 32,232      06/621,868      06/18/84        08/26/86        03/28/96
4,398,239       06/240,343      03/04/81        08/09/83        03/28/96
4,401,326       06/331,111      12/16/81        08/30/83        03/27/96
4,414,616       06/240,521      03/04/81        11/08/83        03/27/96
4,414,791       06/286,478      07/24/81        11/15/83        03/28/96
4,423,565       06/219,143      12/30/80        01/03/84        03/28/96
4,429,516       06/311,459      10/14/81        02/07/84        03/28/96
4,444,321       06/378,592      05/17/82        04/24/84        03/27/96
4,485,598       06/395,440      07/06/82        12/04/84        03/29/96
4,561,782       06/648,871      09/07/84        12/31/85        03/28/96
4,605,071       06/679,202      12/06/84        08/12/86        03/27/96
4,611,327       06/555,239      11/25/83        09/09/86        03/28/96
4,622,979       06/585,790      03/02/84        11/18/86        03/29/96
4,661,247       06/826,637      02/06/86        04/28/87        03/29/96
4,673,288       06/648,356      09/07/84        06/16/87        03/28/96
4,678,034       06/867,338      05/23/86        07/07/87        03/28/96
4,681,552       06/747,005      06/20/85        07/21/87        03/25/96
4,683,755       06/798,476      11/15/85        08/04/87        03/27/96
4,687,737       06/751,461      07/02/85        08/18/87        03/28/96
4,688,021       06/838,469      03/11/86        08/18/87        03/29/96
4,692,880       06/798,313      11/15/85        09/08/87        03/29/96
4,692,984       06/918,623      10/14/86        09/15/87        03/27/96
4,693,995       06/701,695      02/14/85        09/15/87        03/29/96
4,696,283       06/836,693      03/06/86        09/29/87        03/25/96
4,696,324       06/914,379      10/02/86        03/29/87        03/29/96
4,710,290       06/768,247      08/22/85        12/01/87        03/28/96
4,713,585       06/911,790      09/26/86        12/15/87        03/29/96
4,716,491       06/806,341      12/09/85        12/29/87        03/29/96
4,719,177       06/320,525      11/12/81        01/12/88        03/29/96
4,720,470       06/847,935      04/03/86        01/19/88        03/25/96
4,720,866       06/778,524      09/20/85        01/19/88        03/29/96
4,776,013       07/032,820      04/01/87        10/04/88        03/29/96
4,900,311       07/280,637      12/06/88        02/13/90        03/28/96
4,901,447       07/275,572      11/23/88        02/20/90        03/28/96
4,902,417       07/206,560      06/14/88        02/20/90        03/28/96
4,916,724       07/379,217      07/13/89        04/10/90        03/27/96
4,920,734       07/409,584      09/15/89        05/01/90        03/28/96
4,930,418       07/370,495      06/23/89        06/05/90        03/29/96
4,948,340       07/414,828      09/29/89        08/14/91        03/28/96
4,958,447       07/370,762      06/23/89        09/25/90        03/27/96
4,973,404       07/403,109      09/05/89        11/27/90        03/27/96
4,976,915       07/226,583      08/01/88        12/11/90        03/29/96
4,984,143       07/407,392      09/14/89        01/08/91        03/29/96
4,995,344       07/440,520      11/22/89        02/26/91        03/29/96
5,002,040       07/480,571      02/15/90        03/26/91        03/29/96
5,002,295       07/512,663      04/19/90        03/26/91        03/25/96
5,007,533       07/495,471      03/19/90        04/16/91        03/29/96
5,007,926       07/315,465      02/24/89        04/16/91        03/29/96
5,029,479       07/232,180      08/15/88        07/09/91        03/28/96
5,033,386       07/494,918      03/12/90        07/23/91        03/29/96
5,036,767       07/546,649      07/02/90        08/06/91        03/29/96
5,038,316       07/235,451      08/22/88        08/06/91        03/28/96
5,042,699       07/469,148      01/24/90        08/27/91        03/29/96
5,042,847       07/382,367      07/20/89        08/27/91        03/29/96
5,044,412       07/278,778      12/02/88        09/03/91        03/28/96
5,044,628       07/457,770      11/21/89        09/03/91        03/29/96
5,048,126       07/415,658      10/02/89        09/17/91        03/25/96
5,057,095       07/437,182      11/16/89        10/15/91        03/27/96
5,057,245       07/510,382      04/17/90        10/15/91        03/27/96
5,060,999       07/505,158      04/05/90        10/29/91        03/29/96
5,063,505       07/368,046      06/16/89        11/05/91        03/25/96
5,064,577       07/418,143      10/06/89        11/12/91        03/29/96
5,074,422       07/585,976      09/21/90        12/24/91        03/28/96
5,081,965       07/568,249      08/15/90        01/21/92        03/29/96
5,084,144       07/560,206      07/31/90        01/28/92        03/27/96



                 Patents Reinstated Due To The Acceptance of a
                       Late Maintenance Fee From 3/29/96

Patent Number   Serial Number   Filing Date   Issue Date    Granted Date

4,384,716       06/231,874      02/05/81        05/24/83        04/01/96
4,413,709       06/253,757      04/13/81        11/08/83        04/05/96
4,485,598       06/395,440      07/06/82        12/04/84        03/29/96
4,605,071       06/679,202      12/06/84        08/12/86        04/04/96
4,631,719       06/599,872      04/13/84        12/23/86        03/29/96
4,742,242       07/100,110      09/23/87        05/03/88        04/05/96
5,085,181       07/539,238      06/18/90        02/04/92        04/05/96


                 Patents Reinstated Due To The Acceptance of a
                       Late Maintenance Fee From 4/05/96

Patent Number   Serial Number   Filing Date   Issue Date    Granted Date

Re. 34,889      08/094,351      07/21/93        04/04/95        04/12/96
4,575,130       06/368,626      04/15/82        03/11/86        04/12/96
4,653,228       06/722,847      04/12/85        03/31/87        04/05/96
4,658,759       06/754,011      07/11/85        04/21/87        04/05/96
4,662,096       06/765,769      08/15/85        05/05/87        04/05/96
4,689,957       06/779,178      09/23/85        09/01/87        04/12/96
4,742,242       07/100,110      09/23/87        05/03/88        04/05/96
4,846,043       07/157,056      02/16/88        07/11/89        04/12/96
5,030,914       07/437,401      11/16/89        07/09/91        04/11/96
5,041,028       07/571,598      08/29/90        08/20/91        04/11/96
5,069,878       07/670,492      03/15/91        12/03/91        04/11/96
5,071,005       07/663,577      03/01/91        12/10/91        04/08/96
5,081,655       07/447,326      12/07/89        01/14/92        04/12/96
5,085,181       07/539,238      06/18/90        02/04/92        04/05/96