United States Patent and Trademark Office OG Notices: 29 April 2003

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 03/31/2003

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

4,838,175       07/218,483      07/07/88        06/13/89        03/31/03
4,962,687       07/240,538      09/06/88        10/16/90        03/31/03
4,979,772       07/479,990      02/14/90        12/25/90        04/02/03
4,986,714       07/435,468      12/05/89        01/22/91        04/01/03
5,209,298       07/830,599      02/04/92        05/11/93        03/31/03
5,283,385       07/878,267      05/04/92        02/01/94        03/31/03
5,285,086       07/900,359      06/18/92        02/08/94        04/03/03
5,357,241       08/061,748      05/17/93        10/18/94        03/31/03
5,713,668       08/702,373      08/23/96        02/03/98        04/01/03
5,748,908       08/476,894      06/07/95        05/05/98        03/31/03
5,771,176       08/708,082      09/03/96        06/23/98        04/04/03
5,772,203       08/533,617      09/25/95        06/30/98        04/03/03
5,802,864       08/825,686      04/01/97        09/08/98        03/31/03
5,822,524       08/505,488      07/21/95        10/13/98        04/03/03
5,828,724       08/823,971      03/25/97        10/27/98        03/31/03
5,843,162       08/765,216      01/03/97        12/01/98        04/01/03
5,855,272       08/817,806      05/02/97        01/05/99        03/31/03
5,857,222       08/776,712      02/12/97        01/12/99        03/31/03
5,870,718       08/607,345      02/26/96        02/09/99        04/02/03
5,872,565       08/757,747      11/26/96        02/16/99        04/04/03
5,911,477       08/864,953      05/29/97        06/15/99        04/04/03
RE. 37,208      08/324,260      10/17/94        06/05/01        04/03/03