Patent Reinstated Due to the Acceptance of a Late Maintenance Fee From 11/26/99 Patent Serial Filing Issue Granted Number Number Date Date Date Re. 35,174 08/087,170 07/02/93 03/12/96 12/01/99 Re. 35,594 08/561,270 11/21/95 08/26/97 12/01/99 4,547,125 06/561,949 12/15/83 10/15/85 11/26/99 4,603,990 06/512,538 07/11/83 08/05/86 11/26/99 4,815,168 07/117,747 11/04/87 03/28/89 12/01/99 4,960,171 07/391,807 08/09/89 10/02/90 11/26/99 4,968,439 07/257,062 10/13/88 11/06/90 11/29/99 5,285,272 07/661,521 02/26/91 02/08/94 12/02/99 5,304,531 06/705,406 12/19/84 04/19/94 12/01/99 5,319,491 07/565,481 08/10/90 06/07/94 11/29/99 5,324,163 07/981,868 11/25/92 06/28/94 12/01/99 5,345,281 07/992,182 12/17/92 09/06/94 12/01/99 5,348,307 08/134,639 10/12/93 09/20/94 11/30/99 5,352,634 07/855,523 03/23/92 10/04/94 12/02/99 5,391,198 08/197,244 02/16/94 02/21/95 11/30/99 5,398,922 08/144,222 10/27/93 03/21/95 12/02/99 5,422,583 08/207,856 03/08/94 06/06/95 11/29/99 5,429,827 08/226,658 04/12/94 07/04/95 12/01/99 5,445,526 08/197,670 02/17/94 08/29/95 12/02/99 5,448,791 08/059,096 05/10/93 09/12/95 11/30/99 5,448,918 08/298,910 08/31/94 09/12/95 12/01/99