United States Patent and Trademark Office OG Notices: 07 May 2002

                 Patents Reinstated Due to the Acceptance of a
                      Late Maintenance Fee From 04/01/02

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,924,564       07/384,783      07/25/89        05/15/90        04/03/02
5,111,342       07/560,085      07/30/90        05/05/92        04/02/02
5,112,519       07/361,628      06/05/89        05/12/92        04/04/02
5,114,113       07/589,069      09/27/90        05/19/92        04/05/02
5,143,069       07/562,252      08/03/90        09/01/92        04/05/02
5,147,364       07/486,815      03/01/90        09/15/92        04/01/02
5,187,541       07/726,066      07/05/91        02/16/93        04/02/02
5,235,235       07/705,408      05/24/91        08/10/93        04/02/02
5,259,378       07/671,711      04/05/91        11/09/93        04/04/02
5,273,367       07/977,855      11/17/92        12/28/93        04/01/02
5,356,149       07/996,964      12/23/92        10/18/94        04/02/02
5,356,149       07/996,964      12/23/92        10/18/94        04/02/02
5,490,854       08/107,468      08/17/93        02/13/96        04/01/02
5,545,517       08/213,409      03/15/94        08/13/96        04/01/02
5,565,527       08/456,429      06/01/95        10/15/96        04/01/02
5,585,131       08/212,076      03/14/94        12/17/96        04/04/02
5,597,205       08/202,818      02/25/94        01/28/97        04/01/02
5,601,184       08/536,778      09/29/95        02/11/97        04/04/02
5,616,490       08/434,503      05/04/95        04/01/97        04/04/02
5,623,921       08/633,845      04/10/96        04/29/97        04/01/02
5,630,379       08/660,871      06/10/96        05/20/97        04/01/02
5,633,583       08/487,418      06/07/95        05/27/97        04/05/02
5,640,771       08/567,900      12/06/95        06/24/97        04/01/02
5,645,307       08/686,492      07/25/96        07/08/97        04/01/02
5,647,300       08/551,190      10/31/95        07/15/97        04/03/02
5,658,196       08/556,200      11/09/95        08/19/97        04/03/02
5,668,620       08/226,344      04/12/94        09/16/97        04/03/02
5,677,416       08/744,737      10/30/96        10/14/97        04/03/02
5,686,706       08/616,597      03/15/96        11/11/97        04/01/02
5,696,704       08/472,395      06/07/95        12/09/97        04/01/02
5,707,515       08/344,287      11/22/94        01/13/98        04/05/02
5,707,595       08/755,443      11/22/96        01/13/98        04/03/02
5,719,201       08/554,896      11/09/95        02/17/98        04/01/02
5,720,874       08/397,775      03/03/95        02/24/98        04/05/02