United States Patent and Trademark Office OG Notices: 02 April 2002

                 Patents Reinstated Due To The Acceptance of
                    a Late Maintenance Fee From 2/25/2002

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,722,152       06/771,876      09/03/85        02/02/88        03/01/02
4,796,641       07/069,728      07/06/87        01/10/89        02/27/02
4,823,424       07/095,765      09/14/87        04/25/89        03/01/02
4,825,508       07/131,014      12/10/87        05/02/89        02/28/02
4,886,973       07/326,484      03/20/89        12/12/89        03/01/02
4,890,251       07/159,869      02/24/88        12/26/89        03/01/02
4,988,205       07/297,648      01/17/89        01/29/91        02/28/02
5,053,945       07/254,274      10/06/88        10/01/91        02/27/02
5,062,895       07/382,304      07/20/89        11/05/91        02/26/02
5,072,998       07/391,094      08/08/89        12/17/91        03/01/02
5,114,864       07/409,462      09/19/89        05/19/92        03/01/02
5,163,936       07/643,279      01/22/91        11/17/92        02/28/02
5,225,629       07/808,270      12/13/91        07/06/93        02/27/02
5,235,859       07/730,673      07/16/91        08/17/93        02/26/02
5,243,826       07/907,374      07/01/92        09/14/93        02/27/02
5,245,911       07/949,460      09/22/92        09/21/93        02/27/02
5,248,789       07/963,644      10/20/92        09/28/93        02/28/02
5,263,585       07/880,136      05/07/92        11/23/93        02/27/02
5,339,323       08/055,965      04/30/93        08/16/94        02/26/02
5,482,259       08/320,740      10/11/94        01/09/96        03/01/02
5,483,111       08/217,443      03/23/94        01/09/96        02/27/02
5,520,019       07/887,300      05/22/92        05/28/96        03/01/02
5,536,059       08/334,153      11/04/94        07/16/96        03/01/02
5,544,887       08/508,925      07/28/95        08/13/96        02/28/02
5,590,233       08/285,287      08/03/94        12/31/96        03/01/02
5,611,519       08/467,957      06/06/95        03/18/97        02/27/02
5,650,857       08/627,402      04/04/96        07/22/97        02/28/02
5,658,074       08/513,504      08/10/95        08/19/97        02/28/02
5,660,998       07/741,533      09/27/91        08/26/97        02/28/02
5,666,567       08/262,260      06/20/94        09/09/97        02/27/02
5,667,176       08/567,084      02/04/95        09/16/97        02/26/02
5,667,501       08/446,769      06/02/95        09/16/97        03/01/02
5,669,528       08/425,932      04/20/95        09/23/97        02/28/02
5,670,020       08/456,730      06/01/95        09/23/97        02/26/02
5,671,821       08/552,623      01/03/95        09/30/97        02/27/02
5,675,555       08/502,025      07/13/95        10/07/97        02/27/02
5,689,740       08/497,464      06/30/95        11/18/97        02/27/02
5,711,014       08/581,065      12/29/95        01/20/98        02/28/02