United States Patent and Trademark Office OG Notices: 14 May 2002

                 Patents Reinstated Due to the Acceptance of a
                       Late Maintenance Fee From 4/08/02

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,776,011       06/545,079      10/24/83        10/04/88        04/09/02
5,044,101       07/224,069      07/25/88        09/03/91        04/08/02
5,060,408       07/381,662      08/14/89        10/29/91        04/08/02
5,165,177       07/761,064      09/17/91        11/24/92        04/12/02
5,177,209       07/689,398      04/22/91        01/05/93        04/11/02
5,233,014       07/806,110      12/09/91        08/03/93        04/10/02
5,235,252       07/815,388      12/31/91        08/10/93        04/12/02
5,257,525       07/903,613      06/24/92        11/02/93        04/10/02
5,260,621       07/672,879      03/18/91        11/09/93        04/11/02
5,267,764       07/817,433      01/06/92        12/07/93        04/12/02
5,287,652       07/843,308      02/28/92        02/22/94        04/09/02
5,494,677       08/082,419      06/28/93        02/27/96        04/08/02
5,499,971       08/166,737      12/14/93        03/19/96        04/10/02
5,503,294       08/113,198      08/30/93        04/02/96        04/11/02
5,520,206       08/269,356      06/30/94        05/28/96        04/08/02
5,525,095       08/257,524      06/09/94        06/11/96        04/08/02
5,528,004       08/385,671      02/08/95        06/18/96        04/09/02
5,533,523       08/442,197      05/16/95        07/09/96        04/12/02
5,534,545       08/152,050      11/12/93        07/09/96        04/12/02
5,547,233       08/037,809      03/24/93        08/20/96        04/10/02
5,609,337       08/500,053      07/10/95        03/11/97        04/08/02
5,615,711       08/500,634      07/11/95        04/01/97        04/08/02
5,628,730       08/276,540      07/18/94        05/13/97        04/11/02
5,644,777       07/846,209      03/04/92        07/01/97        04/08/02
5,660,967       08/579,269      12/27/95        08/26/97        04/10/02
5,678,821       08/668,206      06/19/96        10/21/97        04/10/02
5,679,805       08/477,138      06/07/95        10/21/97        04/11/02