Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 2/21/97 Patent Serial Filing Issue Granted Number Number Date Date Date 4,366,813 06/275,931 06/22/81 01/04/83 02/27/97 4,375,284 06/269,994 06/03/81 03/01/83 02/26/97 4,466,973 06/463,062 02/01/83 08/21/84 02/26/97 4,623,795 06/613,860 05/24/84 11/18/86 02/21/97 4,626,346 06/827,867 02/10/86 12/02/86 02/21/97 4,644,706 06/822,328 01/27/86 02/24/87 02/27/97 4,655,829 06/776,981 09/11/85 04/07/87 02/27/97 4,664,443 06/796,541 11/08/85 05/12/87 02/27/97 4,664,992 06/654,136 09/26/84 05/12/87 02/25/97 4,675,245 06/622,207 06/19/84 06/23/87 02/25/97 4,722,474 06/826,127 02/04/86 02/02/88 02/27/97 4,722,888 06/717,613 03/29/85 02/02/88 02/25/97 4,722,890 06/769,684 08/27/85 02/02/88 02/26/97 4,727,146 06/748,854 06/26/85 02/23/88 02/28/97 4,728,469 06/823,339 01/28/86 03/01/88 02/27/97 4,764,051 07/075,399 07/20/87 08/16/88 02/25/97 4,828,979 06/669,334 11/08/84 05/09/89 02/28/97 4,943,063 07/330,055 03/29/89 07/24/90 02/26/97 4,977,655 07/340,383 04/18/89 12/18/90 02/25/97 4,980,826 06/590,900 03/19/84 12/25/90 02/28/97 4,986,274 07/453,123 12/04/89 01/22/91 02/27/97 4,990,291 07/161,934 02/29/88 02/05/91 02/27/97 5,067,175 07/576,614 08/31/90 11/26/91 02/28/97 Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 3/07/97 Patent Serial Filing Issue Granted Number Number Date Date Date 4,764,513 06/907,261 09/15/86 08/16/88 03/11/97 4,769,005 07/083,500 08/06/87 09/06/88 03/13/97 4,810,693 07/049,646 05/11/87 03/07/89 03/07/97 4,983,258 07/251,761 10/03/88 01/08/91 03/10/97 5,084,785 07/522,673 05/11/90 01/28/92 03/11/97 5,108,624 07/491,979 03/12/90 04/28/92 03/13/97 5,115,919 07/739,309 08/01/91 05/26/92 03/07/97 5,168,989 07/688,975 04/22/91 12/08/92 03/11/97