| Withdrawn Patents |
| Grant Date | Patent Number |
| 1997-05-13 | RE35,504 |
| 1997-05-13 | D379,180 |
| 1997-05-13 | 5,628,243 |
| 1997-05-13 | 5,628,318 |
| 1997-05-13 | 5,628,325 |
| 1997-05-13 | 5,628,337 |
| 1997-05-13 | 5,628,510 |
| 1997-05-13 | 5,628,554 |
| 1997-05-13 | 5,628,640 |
| 1997-05-13 | 5,628,707 |
| 1997-05-13 | 5,628,708 |
| 1997-05-13 | 5,628,712 |
| 1997-05-13 | 5,628,720 |
| 1997-05-13 | 5,628,742 |
| 1997-05-13 | 5,628,767 |
| 1997-05-13 | 5,628,815 |
| 1997-05-13 | 5,628,816 |
| 1997-05-13 | 5,628,965 |
| 1997-05-13 | 5,628,992 |
| 1997-05-13 | 5,628,997 |
| 1997-05-13 | 5,629,010 |
| 1997-05-13 | 5,629,096 |
| 1997-05-13 | 5,629,148 |
| 1997-05-13 | 5,629,151 |
| 1997-05-13 | 5,629,195 |
| 1997-05-13 | 5,629,313 |
| 1997-05-13 | 5,629,357 |
| 1997-05-13 | 5,629,507 |
| 1997-05-13 | 5,629,827 |
| 1997-05-13 | 5,629,973 |
| 1997-05-13 | 5,630,089 |