United States Patent and Trademark Office OG Notices: 20 January 2004

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 12/22/2003

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

4,885,311       07/067,536      06/29/87        12/05/89       12/23/03
4,914,368       07/251,569      09/30/88        04/03/90       12/23/03
4,962,642       07/195,888      05/19/88        10/16/90       12/23/03
4,992,379       06/933,020      02/05/87        02/12/91       12/23/03
5,017,041       07/341,902      04/24/89        05/21/91       12/22/03
5,046,382       07/481,951      02/20/90        09/10/91       12/22/03
5,052,099       07/606,202      10/31/90        10/01/91       12/23/03
5,052,377       07/360,092      06/01/89        10/01/91       12/23/03
5,257,609       07/710,091      06/04/91        11/02/93       12/23/03
5,370,878       08/129,325      09/30/93        12/06/94       12/22/03
5,454,687       07/900,529      06/17/92        10/03/95       12/23/03
5,454,903       08/145,991      10/29/93        10/03/95       12/22/03
5,460,950       07/885,972      05/20/92        10/24/95       12/23/03
5,473,313       08/153,350      11/17/93        12/05/95       12/24/03
5,697,822       08/758,894      12/02/96        12/16/97       12/24/03
5,755,977       08/675,197      07/03/96        05/26/98       12/23/03
5,817,424       08/630,811      04/10/96        10/06/98       12/23/03
5,840,368       08/428,154      07/24/95        11/24/98       12/23/03
5,927,344       08/582,461      01/03/96        07/27/99       12/24/03
5,929,443       08/734,340      10/21/96        07/27/99       12/23/03
5,943,305       08/090,921      07/12/93        08/24/99       12/24/03
5,947,081       08/909,734      08/12/97        09/07/99       12/23/03
5,950,961       09/201,361      11/30/98        09/14/99       12/22/03
5,951,457       08/883,243      06/26/97        09/14/99       12/23/03