Patents Reinstated Due To The Acceptance of a
                       Late Maintenance Fee From 6/21/96

Patent Number    Serial Number    Filing Date    Issue Date   Granted Date

4,338,472        06/227,000          01/21/81      07/06/82       06/27/96
4,366,332        06/227,036          01/21/81      12/28/82       06/27/96
4,406,798        06/295,272          08/24/81      09/27/83       06/27/96
4,417,943        06/266,227          05/22/81      11/29/83       06/27/96
4,423,062        06/341,973          01/22/82      12/27/83       06/27/96
4,426,286        06/331,270          12/16/81      01/17/84       06/27/96
4,433,534        06/296,448          08/26/81      02/28/84       06/27/96
4,434,021        06/394,747          07/02/82      02/28/84       06/27/96
4,441,087        06/330,599          12/14/81      04/03/84       06/27/96
4,444,573        06/390,294          06/21/82      04/24/84       06/27/96
4,519,404        06/537,252          09/28/83      05/28/85       06/27/96
4,585,080        06/698,085          02/04/85      04/29/86       06/27/96
4,591,943        06/498,568          05/26/83      05/27/86       06/27/96
4,594,371        06/729,529          05/02/85      06/10/86       06/27/96
4,601,605        06/674,974          11/26/84      07/22/86       06/27/96
4,609,475        06/582,994          02/24/84      09/02/86       06/21/96
4,636,469        06/686,524          12/26/84      01/13/87       06/24/96
4,640,365        06/726,802          04/24/85      02/03/87       06/26/96
4,654,997        06/890,339          07/29/86      04/07/87       06/27/96
4,662,229        06/769,372          08/26/85      05/05/87       06/27/96
4,664,737        06/681,222          12/13/84      05/12/87       06/27/96
4,675,120        06/513,408          07/14/83      06/23/87       06/25/96
4,677,478        06/342,376          01/25/82      06/30/87       06/27/96
4,678,034        06/867,338          05/23/86      07/07/87       06/21/96
4,765,964        06/693,437          01/22/85      08/23/88       06/21/96
4,855,043        07/049,798          05/15/87      08/08/89       06/27/96
4,888,995        07/269,357          11/10/88      12/26/89       06/27/96
4,915,255        07/247,818          09/22/88      04/10/90       06/25/96
4,917,430        07/206,594          06/14/88      04/17/90       06/21/96
4,928,468        07/279,895          12/05/88      05/29/90       06/27/96
4,936,073        07/370,642          06/23/89      06/26/90       06/21/96
4,947,090        07/370,198          06/22/89      08/07/90       06/21/96
4,950,872        07/394,752          08/16/89      08/21/90       06/27/96
4,971,198        07/476,116          01/29/90      11/20/90       06/25/96
4,979,407        07/509,204          04/16/90      12/25/90       06/26/96
4,993,545        07/413,092          09/27/89      02/19/91       06/27/96
5,004,736        07/370,121          06/23/89      04/02/91       06/27/96
5,010,822        07/473,785          02/02/90      04/30/91       06/27/96
5,011,135        07/377,258          07/10/89      04/30/91       06/27/96
5,013,984        07/513,116          04/23/90      05/07/91       06/27/96
5,026,646        07/271,825          11/16/88      06/25/91       06/24/96
5,046,876        07/574,368          08/24/90      09/10/91       06/27/96
5,048,432        07/634,402          12/27/90      09/17/91       06/27/96
5,050,535        07/390,417          08/07/89      09/24/91       06/24/96
5,068,981        07/619,994          11/30/90      12/03/91       06/27/96
5,096,634        07/651,432          02/05/91      03/17/92       06/27/96
5,098,047        07/599,435          10/18/90      03/24/92       06/27/96
5,098,321        07/586,416          09/21/90      03/24/92       06/24/96
5,100,600        07/624,315          12/07/90      03/31/92       06/27/96
5,101,505        07/478,220          02/09/90      03/31/92       06/24/96
5,101,658        07/711,120          06/04/91      04/07/92       06/25/96