Patents Reinstated Due to the Acceptance of a
                      Late Maintenance Fee From 07/21/00

Patent Number    Serial Number    Filing Date    Issue Date    Granted Date

RE. 32,804       07/134,501          12/18/87      12/20/88        07/27/00
RE. 33,003       07/197,761          05/23/88      08/01/89        07/26/00
RE. 35,351       08/360,010          12/20/94      10/15/96        07/27/00
4,690,094        06/845,939          03/31/86      09/01/87        07/21/00
4,736,767        06/715,685          03/25/85      04/12/88        07/24/00
4,838,317        07/260,816          10/21/88      06/13/89        07/27/00
4,930,776        07/389,228          08/03/89      06/05/90        07/26/00
5,019,517        07/182,153          04/15/88      05/28/91        07/25/00
5,102,669        07/318,069          02/21/89      04/07/92        07/25/00
5,139,175        07/739,523          08/02/91      08/18/92        07/27/00
5,327,913        07/857,172          03/25/92      07/12/94        07/25/00
5,390,797        08/072,035          06/03/93      02/21/95        07/27/00
5,402,084        07/914,568          07/17/92      03/28/95        07/25/00
5,411,469        08/215,255          03/21/94      05/02/95        07/25/00
5,426,408        08/060,762          05/07/93      06/20/95        07/26/00
5,451,378        07/861,410          03/31/92      09/19/95        07/21/00
5,453,279        07/871,933          04/21/92      09/26/95        07/21/00
5,466,019        08/312,055          09/26/94      11/14/95        07/27/00
5,466,211        08/012,148          01/28/93      11/14/95        07/26/00
5,480,556        08/218,137          03/25/94      01/02/96        07/27/00
5,482,424        08/380,658          01/30/95      01/09/96        07/27/00
5,494,299        08/200,012          02/22/94      02/27/96        07/27/00
5,503,743        08/060,006          05/12/93      04/02/96        07/21/00
5,504,048        08/071,438          06/02/93      04/02/96        07/24/00
5,505,690        08/368,098          12/30/94      04/09/96        07/25/00
5,518,186        08/436,913          05/08/95      05/21/96        07/26/00
5,519,640        08/192,463          01/26/94      05/21/96        07/26/00