United States Patent and Trademark Office OG Notices: 26 February 2002

                Patents Reinstated Due To The Acceptance of a
                      Late Maintenance Fee From 1/21/02

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date


4,713,764      06/654,607      09/25/84        12/15/87        01/22/02
4,846,966       07/245,282      09/16/88        07/11/89        01/25/02
4,868,496       07/206,099      06/13/88        09/19/89        01/22/02
4,884,304       07/250,778      09/28/88        12/05/89        01/22/02
4,918,760       07/330,125      03/29/89        04/24/90        01/22/02
4,932,801       07/329,614      03/28/89        06/12/90        01/22/02
4,955,947       07/050,506      05/14/87        09/11/90        01/25/02
5,071,176       07/672,170      03/19/91        12/10/91        01/25/02
5,170,723       07/747,455      08/12/91        12/15/92        01/24/02
5,216,721       07/691,557      04/25/91        06/01/93        01/25/02
5,230,208       07/939,382      08/28/92        07/27/93        01/24/02
5,252,878       07/991,886      12/17/92        10/12/93        01/25/02
5,320,992       08/069,073      05/28/93        06/14/94        01/25/02
5,325,690       07/809,554      02/24/92        07/05/94        01/25/02
5,335,107       07/891,551      05/29/92        08/02/94        01/22/02
5,347,987       07/876,628      05/04/92        09/20/94        01/25/02
5,528,476       08/385,971      02/09/95        06/18/96        01/24/02
5,574,052       08/235,454      04/29/94        11/12/96        01/24/02
5,593,493       08/494,665      06/26/95        01/14/97        01/24/02
5,665,383       08/488,804      06/07/95        09/09/97        01/25/02