United States Patent and Trademark Office OG Notices: 20 November 2001

                 Patents Reinstated Due to the Acceptance of a
                      Late Maintenance Fee From 10/05/01

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,744,980       06/856,531      04/28/86        05/17/88        10/09/01
4,845,871       07/183,082      04/19/88        07/11/89        10/10/01
5,043,969       07/287,803      12/20/88        08/27/91        10/10/01
5,049,000       07/137,372      12/23/87        09/17/91        10/05/01
5,050,146       07/387,910      07/31/89        09/17/91        10/11/01
5,053,903       07/329,467      03/28/89        10/01/91        10/11/01
5,056,078       07/287,805      12/20/88        10/08/91        10/11/01
5,056,079       07/228,395      08/04/88        10/08/91        10/11/01
5,111,350       07/622,173      12/04/90        05/05/92        10/11/01
5,183,335       07/650,770      02/04/91        02/02/93        10/10/01
5,214,608       07/691,711      05/01/91        05/25/93        10/05/01
5,559,755       08/463,000      05/31/95        09/24/96        10/05/01
5,586,100       07/955,618      10/13/92        12/17/96        10/11/01
5,589,982       08/254,018      06/03/94        12/31/96        10/05/01
5,608,206       08/509,239      07/31/95        03/04/97        10/05/01
5,626,904       08/295,800      09/16/94        05/06/97        10/05/01
5,660,010       08/347,907      12/01/94        08/26/97        10/10/01