Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 05/01/98 Patent Serial Filing Issue Granted Number Number Date Date Date 4,502,616 06/337,080 01/04/82 03/05/85 05/06/98 4,564,953 06/479,373 03/28/83 01/14/86 05/06/98 4,732,881 06/911,381 09/25/86 03/22/88 05/07/98 4,902,119 07/239,196 08/31/88 02/20/90 05/06/98 4,964,401 07/414,467 09/29/89 10/23/90 05/07/98 5,095,917 07/467,882 01/19/90 03/17/92 05/07/98 5,196,595 07/877,280 04/28/92 03/23/93 05/06/98