Patents Reinstated Due To The Acceptance of a
                       Late Maintenance Fee From 8/16/96


Patent Number   Serial Number    Filing Date    Issue Date    Granted Date

4,536,494       06/608,796       05/10/84       08/20/85          08/16/96
4,585,482       06/614,231       05/25/84       04/29/86          08/22/96
4,597,707       06/642,032       08/17/84       07/01/86          08/16/96
4,635,414       06/547,137       10/31/83       01/13/87          08/19/96
4,702,614       06/883,510       07/08/86       10/27/87          08/20/96
4,719,150       06/827,328       02/07/86       01/12/88          08/19/96
4,719,212       06/948,444       12/29/86       01/12/88          08/20/96
4,719,762       06/931,858       11/18/86       01/19/88          08/20/96
4,743,125       06/936,370       12/01/86       05/10/88          08/22/96
4,869,002       07/233,893       08/15/88       09/26/89          08/16/96
4,923,492       07/354,860       05/22/89       05/08/90          08/20/96
4,925,675       07/234,034       08/19/88       05/15/90          08/19/96
4,932,358       07/354,636       05/18/89       06/12/90          08/22/96
4,938,221       07/317,917       03/02/89       07/03/90          08/19/96
4,979,198       07/375,124       07/03/89       12/18/90          08/20/96
4,986,906       07/518,760       05/01/90       01/22/91          08/20/96
5,002,959       07/448,441       12/11/89       03/26/91          08/22/96
5,012,544       07/413,247       09/27/89       05/07/91          08/21/96
5,021,087       07/566,151       08/13/90       06/04/91          08/19/96
5,061,234       07/411,932       09/25/89       10/29/91          08/20/96
5,070,535       07/009,565       01/30/87       12/03/91          08/19/96
5,079,472       07/541,901       06/22/90       01/07/92          08/19/96
5,081,322       07/479,401       02/13/90       01/14/92          08/19/96
5,083,026       07/478,945       02/12/90       01/21/92          08/21/96
5,085,216       07/685,230       04/12/91       02/04/92          08/19/96
5,089,144       07/447,794       12/08/89       02/18/92          08/19/96
5,097,436       07/462,731       01/09/90       03/17/92          08/16/96
5,099,799       07/570,523       08/21/90       03/31/92          08/16/96
5,103,104       07/631,733       12/20/90       04/07/92          08/19/96
5,108,616       07/369,238       06/22/89       04/28/92          08/21/96

                 Patents Reinstated Due To The Acceptace of a
                       Late Maintenance Fee From 8/23/96

Patent Number   Serial Number    Filing Date    Issue Date    Granted Date

4,360,854       06/215,569       12/12/80       11/23/82          08/27/96
4,426,325       06/339,788       01/15/82       01/17/84          08/30/96
4,426,336       06/297,736       08/31/81       01/17/84          08/26/96
4,441,087       06/330,599       12/14/81       04/03/84          08/29/96
4,442,326       06/398,403       07/14/82       04/10/84          08/26/96
4,589,475       06/490,531       05/02/83       05/20/86          08/26/96
4,632,268       06/728,257       04/29/85       12/30/86          08/30/96
4,639,952       06/695,549       01/28/85       02/03/87          08/29/96
4,696,034       06/660,512       10/12/84       09/22/87          08/26/96
4,719,053       06/462,340       01/31/83       01/12/88          08/26/96
4,719,683       06/814,234       12/30/85       01/19/88          08/26/96
4,720,651       06/597,326       04/06/84       01/19/88          08/30/96
4,747,773       07/059,332       06/08/87       05/31/88          08/23/96
4,769,413       06/920,558       10/20/86       09/06/88          08/23/96
4,929,022       07/314,164       02/23/89       05/29/90          08/30/96
4,945,287       07/205,993       06/13/88       07/31/90          08/27/96
4,960,271       07/229,488       08/08/88       10/02/90          08/28/96
4,984,177       07/306,001       02/01/89       01/08/91          08/26/96
5,004,146       07/395,355       08/17/89       04/02/91          08/30/96
5,014,570       07/428,961       10/30/89       05/14/91          08/26/96
5,020,268       07/466,859       01/18/90       06/04/91          08/29/96
5,063,765       07/327,968       03/21/89       11/12/91          08/26/96
5,081,214       07/564,043       08/07/90       01/14/92          08/26/96
5,083,400       07/605,779       10/29/90       01/28/92          08/29/96
5,085,241       07/252,364       09/02/88       02/04/92          08/26/96
5,089,958       07/300,469       01/23/89       02/18/92          08/30/96
5,099,799       07/570,523       08/21/90       03/31/92          08/26/96
5,100,776       07/219,656       07/15/88       03/31/92          08/30/96
5,105,672       07/662,253       02/28/91       04/21/92          08/30/96
5,119,988       07/545,399       06/28/90       06/09/92          08/23/96