United States Patent and Trademark Office OG Notices: 11 December 2001

                 Patents Reinstated Due to the Acceptance of a
                      Late Maintenance Fee From 10/26/01

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,818,115       06/876,872      05/29/86        04/04/89        10/31/01
4,847,812       06/908,559      09/18/86        07/11/89        10/26/01
4,854,803       07/120,871      11/16/87        08/08/89        10/26/01
5,235,407       07/713,966      06/11/91        08/10/93        10/26/01
5,244,831       07/877,871      05/04/92        09/14/93        10/26/01
5,245,654       07/775,628      10/10/91        09/14/93        10/26/01
5,303,785       07/934,978      08/25/92        04/19/94        10/31/01
5,305,837       07/916,046      07/17/92        04/26/94        10/31/01
5,332,051       08/023,513      03/31/93        07/26/94        10/31/01
5,458,568       08/123,374      09/17/93        10/17/85        10/26/01
5,483,052       08/162,626      12/07/93        01/09/96        10/26/01
5,498,284       08/277,313      07/22/94        03/12/96        10/31/01
5,599,593       08/366,724      12/30/94        02/04/97        10/26/01