United States Patent and Trademark Office OG Notices: 04 June 2002

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee From 04/29/2002

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,664,913       06/632,756      07/19/84        05/12/87        04/29/02
4,733,674       07/006,240      01/22/87        03/29/88        05/03/02
4,838,673       07/042,821      04/27/87        06/13/89        04/30/02
4,848,336       07/227,000      07/29/88        07/18/89        05/03/02
4,865,404       07/220,835      07/18/88        09/12/89        05/03/02
4,887,696       07/277,729      11/30/88        12/19/89        04/30/02
4,907,523       07/216,629      07/05/88        03/13/90        05/03/02
4,930,074       06/919,129      10/15/86        05/29/90        04/30/02
5,114,352       07/703,740      05/21/91        05/19/92        05/02/02
5,183,596       07/806,646      12/13/91        02/02/93        05/03/02
5,184,714       07/843,890      02/27/92        02/09/93        05/02/02
5,208,763       07/582,582      09/14/90        05/04/93        05/02/02
5,212,334       07/568,609      08/16/90        05/18/93        05/03/02
5,215,071       07/642,823      01/18/91        06/01/93        04/29/02
5,229,289       07/807,817      12/16/91        07/20/93        04/29/02
5,251,165       07/865,474      04/09/92        10/05/93        05/02/02
5,272,301       07/882,369      05/06/92        12/21/93        04/30/02
5,292,375       08/071,881      06/07/93        03/08/94        05/02/02
5,334,399       07/842,716      02/27/92        08/02/94        05/01/02
5,402,858       08/212,013      03/11/94        04/04/95        04/30/02
5,476,340       08/361,183      12/21/94        12/19/95        05/03/02
5,500,044       08/138,247      10/15/93        03/19/96        05/03/02
5,532,217       08/524,752      09/07/95        07/02/96        05/03/02
5,532,714       08/287,467      08/08/94        07/02/96        05/03/02
5,541,710       08/533,072      09/25/95        07/30/96        05/03/02
5,575,344       08/439,858      05/12/95        11/19/96        05/01/02
5,599,153       08/403,926      03/22/95        02/04/97        05/03/02
5,602,086       08/634,135      04/19/96        02/11/97        05/03/02
5,643,569       08/483,728      06/07/95        07/01/97        05/01/02
5,682,397       08/565,075      11/30/95        10/28/97        05/02/02
5,688,715       08/514,922      08/14/95        11/18/97        04/30/02
5,691,989       08/122,711      09/14/93        11/25/97        05/01/02