Patent Reinstated Due to the Acceptance of a Late Maintenance Fee From 12/17/99 Patent Serial Filing Issue Granted Number Number Date Date Date 4,652,917 06/639,610 08/10/84 03/24/87 12/21/99 4,976,063 07/364,208 06/09/89 12/11/90 12/21/99 5,027,960 07/364,117 06/12/89 07/02/91 12/23/99 5,044,596 07/550,145 07/06/90 09/03/91 12/20/99 5,048,327 07/524,581 05/17/90 09/17/91 12/21/99 5,295,947 07/875,324 04/29/92 03/22/94 12/21/99 5,325,614 08/040,640 03/31/93 07/05/94 12/22/99 5,336,144 07/972,009 11/05/92 08/09/94 12/21/99 5,367,503 08/201,124 02/24/94 11/22/94 12/17/99 5,378,401 07/828,749 01/31/92 01/03/95 12/21/99 5,386,229 08/004,681 01/14/93 01/31/95 12/20/99 5,402,828 08/056,484 05/04/93 04/04/95 12/22/99 5,407,160 08/073,721 06/09/93 04/18/95 12/21/99 5,416,007 08/273,870 07/12/94 05/16/95 12/21/99 5,422,272 08/092,243 07/14/93 06/06/95 12/23/99 5,432,330 08/242,872 05/16/94 07/11/95 12/21/99 5,445,468 08/142,962 10/29/93 08/29/95 12/23/99