Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 12/05/97 Patent Serial Filing Issue Granted Number Number Date Date Date 4,428,490 06/426,865 09/29/82 01/31/84 12/08/97 4,511,875 06/476,229 03/17/83 04/16/85 12/05/97 4,633,515 06/598,210 04/09/84 12/30/86 12/09/97 4,690,213 06/825,338 02/03/86 09/01/87 12/11/97 4,787,875 07/034,382 04/06/87 11/29/88 12/11/97 4,793,617 07/080,939 08/03/87 12/27/88 12/08/97 4,816,830 07/095,683 09/14/87 03/28/89 12/10/97 4,817,966 07/151,945 02/03/88 04/04/89 12/05/97 4,823,763 07/072,999 07/13/87 04/25/89 12/08/97 4,829,285 07/061,879 06/11/87 05/09/89 12/08/97 4,846,194 06/661,161 10/15/84 07/11/89 12/09/97 4,853,854 06/813,401 12/26/85 08/01/89 12/05/97 4,858,383 07/217,334 07/11/88 08/22/89 12/11/97 4,950,664 07/245,031 09/16/88 08/21/90 12/10/97 5,051,137 07/205,842 06/13/88 09/24/91 12/11/97 5,129,966 07/625,844 12/11/90 07/14/92 12/11/97 5,147,341 07/664,873 03/05/91 09/15/92 12/08/97 5,193,231 07/516,147 04/30/90 03/16/93 12/09/97 5,203,938 07/791,043 11/12/91 04/20/93 12/08/97 5,224,474 07/711,538 06/10/91 07/06/93 12/11/97 5,231,499 07/654,127 02/11/91 07/27/93 12/05/97 5,233,215 07/895,592 06/08/92 08/03/93 12/05/97 5,233,951 07/951,017 09/25/92 08/10/93 12/05/97 5,238,751 07/660,020 02/25/91 08/24/93 12/05/97