		 Patents Reinstated Due to the Acceptance of a
		     Late Maintenance Fee From 04/15/2002
   
Patent          Serial          Filing          Issue	        Granted
Number          Number		Date            Date 	  	Date

4,898,577	07/250,709	09/28/88	02/06/90	04/19/02 
5,144,144	07/732,623	07/19/91	09/01/92	04/19/02 
5,144,939	07/709,315	06/03/91	09/08/92	04/19/02 
5,187,214	07/729,274	07/12/91	02/16/93	04/19/02 
5,267,382	07/939,905	09/04/92	12/07/93	04/19/02 
5,318,784	07/942,261	09/09/92	06/07/94	04/17/02 
5,543,797	08/234,477	04/28/94	08/06/96	04/16/02 
5,572,743	08/255,095	06/07/94	11/12/96	04/16/02 
5,607,351	08/337,666	11/10/94	03/04/97	04/18/02 
5,617,245	08/129,194	10/27/95	04/01/97	04/16/02 
5,627,720	08/514,191	08/11/95	05/06/97	04/16/02 
5,679,477	08/754,094	11/20/96	10/21/97	04/16/02 
5,681,159	08/625,926	04/01/96	10/28/97	04/16/02 
5,693,620	08/355,276	12/12/94	12/02/97	04/16/02 
5,696,411	08/530,925	09/20/95	12/09/97	04/16/02 
5,711,362	08/564,517	11/29/95	01/27/98	04/16/02 
5,713,103	08/637,522	04/25/96	02/03/98	04/16/02 
5,720,407	08/636,551	04/23/96	02/24/98	04/17/02 
5,723,392	08/264,330	06/23/94	03/03/98	04/16/02 
RE. 36,253	07/665,031	03/06/91	07/13/99	04/16/02
