Patents Reinstated Due to the Acceptance of a
                      Late Maintenance Fee From 12/29/00

4,732,740       06/658,474       10/09/84       03/22/88       01/02/01
4,737,268       06/840,760       03/18/86       04/12/88       01/03/01
4,776,642       07/116,940       11/05/87       10/11/88       01/04/01
4,979,325       07/464,536       01/16/90       12/25/90       01/03/01
5,070,705       07/640,350       01/11/91       12/10/91       01/02/01
5,095,650       07/457,017       12/26/89       03/17/92       01/03/01
5,095,846       07/677,996       04/01/91       03/17/92       01/03/01
5,114,682       07/648,584       01/31/91       05/19/92       01/03/01
5,124,704       07/583,130       09/17/90       06/23/92       01/03/01
5,148,410       07/809,798       12/18/91       09/15/92       01/04/01
5,163,815       07/737,193       07/29/91       11/17/92       01/03/01
5,414,407       08/059,778       05/10/93       05/09/95       01/04/01
5,451,108       08/041,486       04/01/93       09/19/95       01/04/01
5,458,789       08/166,514       12/14/93       10/71/95       01/02/01
5,531,054       08/257/371       06/09/94       07/02/96       01/02/01
5,543,694       08/405,089       03/16/95       08/06/96       01/03/01
5,545,891       08/431,454       05/01/95       08/13/96       01/03/01
5,562,904       08/278,550       07/21/94       10/08/96       01/04/01
5,566,684       08/560,278       11/21/95       10/22/96       01/04/01