United States Patent and Trademark Office OG Notices: 13 May 2003

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 04/14/2003

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

4,817,912       07/100,601      09/24/87        04/04/89        04/17/03
4,835,832       07/211,178      06/24/88        06/06/89        04/15/03
4,963,424       07/354,217      05/19/89        10/16/90        04/17/03
4,983,221       07/481,317      02/20/90        01/08/91        04/18/03
4,983,376       07/291,053      12/28/88        01/08/91        04/14/03
4,990,394       07/348,942      05/08/89        02/05/91        04/14/03
4,993,450       07/470,585      01/26/90        02/19/91        04/15/03
5,005,061       07/474,889      02/05/90        04/02/91        04/18/03
5,174,098       07/796,114      11/20/91        12/29/92        04/14/03
5,256,000       07/931,151      08/17/92        10/26/93        04/15/03
5,305,424       07/558,315      07/26/90        04/19/94        04/18/03
5,315,481       07/492,008      03/12/90        05/24/94        04/16/03
5,327,682       08/030,655      03/12/93        07/12/94        04/14/03
5,348,195       07/966,881      10/27/92        09/20/94        04/15/03
5,369,270       08/102,541      08/02/93        11/29/94        04/17/03
5,378,296       07/965,365      12/17/92        01/03/95        04/15/03
5,380,442       08/154,055      11/18/93        01/10/95        04/17/03
5,384,524       08/115,237      09/02/93        01/24/95        04/17/03
5,384,970       08/127,486      09/28/93        01/31/95        04/15/03
5,388,415       08/177,726      01/05/94        02/14/95        04/14/03
5,424,879       08/140,320      10/22/93        06/13/95        04/16/03
5,613,804       08/404,586      03/15/95        03/25/97        04/15/03
5,618,272       08/642,995      05/06/96        04/08/97        04/16/03
5,630,276       08/281,117      08/16/94        05/20/97        04/16/03
5,630,548       08/431,974      05/01/95        05/20/97        04/18/03
5,634,539       08/411,497      03/28/95        06/03/97        04/18/03
5,694,533       08/684,510      07/19/96        12/02/97        04/16/03
5,720,990       08/541,815      10/10/95        02/24/98        04/18/03
5,735,070       08/621,733      03/21/96        04/07/98        04/17/03
5,744,501       08/815,462      03/11/97        04/28/98        04/14/03
5,768,129       08/669,946      06/25/96        06/16/98        04/17/03
5,775,664       08/615,424      03/14/96        07/07/98        04/15/03
5,776,425       08/431,069      04/26/95        07/07/98        04/14/03
5,781,788       08/939,997      09/29/97        07/14/98        04/15/03
5,787,524       08/881,426      06/24/97        08/04/98        04/14/03
5,800,811       08/470,837      06/06/95        09/01/98        04/17/03
5,804,453       08/599,298      02/09/96        09/08/98        04/16/03
5,814,780       08/720,145      09/25/96        09/29/98        04/18/03
5,833,549       08/557,855      11/14/95        11/10/98        04/17/03
5,837,546       08/657,894      06/07/96        11/17/98        04/15/03
5,839,971       08/882,325      06/25/97        11/24/98        04/16/03
5,842,418       08/936,713      09/24/97        12/01/98        04/18/03
5,849,858       09/054,297      04/02/98        12/15/98        04/18/03
5,862,401       08/883,869      06/27/97        01/19/99        04/16/03
5,877,492       08/713,485      09/13/96        03/02/99        04/17/03
5,881,795       08/758,996      12/02/96        03/16/99        04/17/03
5,901,996       08/926,859      09/10/97        05/11/99        04/16/03