Patents Reinstated Due to the Acceptance of a
                      Late Maintenance Fee From 08/04/00

Patent Number    Serial Number    Filing Date    Issue Date    Granted Date

4,656,419        06/652,554          09/20/84      04/07/87        08/10/00
4,936,478        07/280,310          12/05/88      06/26/90        08/09/00
4,937,763        07/240,262          09/06/88      06/26/90        08/10/00
4,944,723        07/305,800          02/02/89      07/31/90        08/10/00
4,967,489        07/444,810          12/01/89      11/06/90        08/04/00
5,022,757        07/299,315          01/23/89      06/11/91        08/08/00
5,038,820        07/535,124          06/08/90      08/13/91        08/09/00
5,094,041        07/479,376          02/13/90      03/10/92        08/08/00
5,157,584        07/678,767          04/01/91      10/20/92        08/08/00
5,310,819        07/902,749          01/23/92      05/10/94        08/09/00
5,316,208        07/913,893          07/16/92      05/31/94        08/10/00
5,334,178        08/047,326          04/14/93      08/02/94        08/10/00
5,335,773        08/087,152          07/02/93      08/09/94        08/10/00
5,359,985        08/027,623          03/08/93      11/01/94        08/10/00
5,398,835        08/159,085          11/29/93      03/21/95        08/04/00
5,408,481        08/183,212          01/14/94      04/18/95        08/04/00
5,420,118        08/068,564          05/27/93      05/30/95        08/04/00
5,433,191        08/163,603          12/06/93      07/18/95        08/09/99
5,433,354        08/154,625          11/18/93      07/18/95        08/04/00
5,434,496        08/162,602          12/07/93      07/18/95        08/04/00
5,462,399        08/276,092          07/15/94      10/31/95        08/04/00
5,466,196        08/394,150          02/24/95      11/14/95        08/09/00
5,479,911        07/621,424          11/30/90      12/12/95        08/08/00
5,480,742        08/240,001          05/09/94      01/02/96        08/04/00
5,491,929        08/321,258          10/11/94      02/20/96        08/04/00
5,496,991        08/281,522          07/26/94      03/05/96        08/04/00
5,500,340        08/136,345          10/14/93      03/19/96        08/04/00
5,500,963        08/240,171          05/09/94      03/26/96        08/04/00
5,510,997        08/299,192          08/30/94      04/23/96        08/04/00
5,513,499        08/225,049          04/08/94      05/07/96        08/04/00
5,515,943        08/415,931          03/09/95      05/14/96        08/04/00
5,532,155        07/977,409          04/30/93      07/02/96        08/07/00