Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 01/02/98 Patent Serial Filing Issue Granted Number Number Date Date Date 4,529,470 06/419,533 09/17/82 07/16/85 01/08/98 4,830,409 07/085,175 08/14/87 05/16/89 01/06/98 4,834,270 07/179,854 04/11/88 05/30/89 01/05/98 4,835,978 07/189,757 05/03/88 06/06/89 01/05/98 4,858,478 07/232,659 08/16/88 08/22/89 01/05/98 5,104,661 07/648,315 01/29/91 04/14/92 01/08/98 5,134,080 07/536,165 06/11/90 07/28/92 01/05/98 5,212,772 07/653,777 02/11/91 05/18/93 01/07/98 5,232,746 07/628,580 12/17/90 08/03/93 01/05/98 5,250,139 07/846,961 03/06/92 10/05/93 01/05/98