Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 9/11/98 Patent Serial Filing Issue Granted Number Number Date Date Date Re. 34,501 07/707,742 05/30/91 01/11/94 09/11/98 4,460,694 06/356,348 03/09/82 07/17/84 09/14/98 4,557,009 06/653,689 09/21/84 12/10/85 09/14/98 4,800,233 07/081,267 08/03/87 01/24/89 09/16/98 4,815,545 06/849,707 04/09/86 03/28/89 09/16/98 4,897,139 07/219,786 07/18/88 01/30/90 09/16/98 4,897,868 07/224,118 07/25/88 01/30/90 09/16/98 4,910,660 07/121,095 11/16/87 03/20/90 09/16/98 4,964,554 07/397,773 08/23/89 10/23/90 09/14/98 5,117,561 07/636,688 01/02/91 06/02/92 09/14/98 5,118,052 07/115,333 11/02/87 06/02/92 09/16/98 5,129,033 07/496,256 03/20/90 07/07/92 09/15/98 5,177,226 07/712,098 06/07/91 01/05/93 09/17/98 5,257,575 07/821,757 01/15/92 11/02/93 09/16/98 5,267,420 07/862,420 04/02/92 12/07/93 09/16/98 5,274,688 07/863,807 04/07/92 12/28/93 09/16/98 5,296,350 07/606,463 10/31/90 03/22/94 09/14/98