United States Patent and Trademark Office OG Notices: 31 December 2002

                 Patents Reinstated Due to the Acceptance of a
                      Late Maintenance Fee From 12/02/02

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,955,870       07/235,437    08/23/88       09/11/90          12/06/02
4,970,496       07/404,786    09/08/89       11/13/90          12/06/02
5,061,246       07/443,944    12/01/89       10/29/91          12/04/02
5,214,455       07/677,902    04/01/91       05/25/93          12/02/02
5,288,436       07/855,367    03/20/92       02/22/94          12/02/02
5,306,257       07/878,364    05/04/92       04/26/94          12/04/02
5,329,898       08/057,612    05/05/93       07/19/94          12/02/02
5,330,799       07/945,139    09/15/92       07/19/94          12/02/02
5,345,284       07/877,257    04/28/92       09/06/94          12/03/02
5,349,153       07/952,051    09/28/92       09/20/94          12/06/02
5,530,558       08/226,278    04/11/94       06/25/96          12/03/02
5,562,077       08/416,304    04/04/95       10/08/96          12/02/02
5,572,811       08/369,836    01/06/95       11/12/96          12/04/02
5,596,833       08/358,234    12/16/94       01/28/97          12/04/02
5,639,499       08/556,450    11/15/95       06/17/97          12/06/02
5,771,839       08/826,723    04/07/97       06/30/98          12/04/02
5,776,537       08/794,421    02/05/97       07/07/98          12/04/02
5,807,276       08/880,560    06/23/97       09/15/98          12/04/02
5,830,262       08/855,954    05/14/97       11/03/98          12/04/02
RE. 35,800      08/570,317    12/11/95       05/19/98          12/04/02