United States Patent and Trademark Office OG Notices: 12 March 2002

                 Patents Reinstated Due to the Acceptance of a
                       Late Maintenance Fee From 2/04/02

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date


4,837,834       07/189,994      05/04/88        06/06/89        02/07/02
4,917,593       07/362,067      06/06/89        04/17/90        02/06/02
5,069,688       07/435,121      11/13/89        12/03/91        02/08/02
5,216,722       07/794,115      11/15/91        06/01/93        02/07/02
5,216,722       07/794,115      11/15/91        06/01/93        02/07/02
5,275,797       08/025,136      03/02/93        01/04/94        02/08/02
5,344,391       07/911,477      07/10/92        09/06/94        02/04/02
5,465,427       08/188,670      01/27/94        11/14/95        02/08/02
5,481,908       08/055,236      04/28/93        01/09/96        02/08/02
5,537,688       08/367,468      12/30/94        07/23/96        02/04/02
5,537,808       08/235,558      04/29/94        07/23/96        02/07/02
5,549,126       08/371,151      01/11/95        08/27/96        02/04/02
5,568,449       08/307,292      09/02/94        10/22/96        02/08/02
5,585,778       08/277,896      07/20/94        12/17/96        02/07/02
5,589,498       08/470,648      06/06/95        12/31/96        02/07/02
5,633,795       08/369,925      01/06/95        05/27/97        02/08/02
5,650,101       08/280,591      07/25/94        07/22/97        02/08/02
5,654,449       08/607,854      02/27/96        08/05/97        02/04/02
5,655,783       08/221,648      04/05/94        08/12/97        02/08/02
5,660,930       08/222,675      04/04/94        08/26/97        02/07/02
5,662,680       08/331,046      10/28/94        09/02/97        02/04/02
5,665,382       08/485,448      06/07/95        09/09/97        02/07/02
5,673,040       08/128,325      06/02/93        09/30/97        02/07/02
5,677,058       08/339,619      11/15/94        10/14/97        02/08/02
5,685,792       08/561,912      11/22/95        11/11/97        02/07/02
5,687,026       08/633,077      04/16/96        11/11/97        02/07/02
5,690,670       08/468,258      06/06/95        11/25/97        02/07/02