| Withdrawn Patents |
| Grant Date | Patent Number |
| 1997-02-25 | RE35,467 |
| 1997-02-25 | 5,605,168 |
| 1997-02-25 | 5,605,285 |
| 1997-02-25 | 5,605,340 |
| 1997-02-25 | 5,605,522 |
| 1997-02-25 | 5,605,538 |
| 1997-02-25 | 5,605,562 |
| 1997-02-25 | 5,605,620 |
| 1997-02-25 | 5,605,686 |
| 1997-02-25 | 5,605,695 |
| 1997-02-25 | 5,605,705 |
| 1997-02-25 | 5,605,711 |
| 1997-02-25 | 5,605,747 |
| 1997-02-25 | 5,605,758 |
| 1997-02-25 | 5,605,878 |
| 1997-02-25 | 5,605,888 |
| 1997-02-25 | 5,605,913 |
| 1997-02-25 | 5,605,954 |
| 1997-02-25 | 5,605,977 |
| 1997-02-25 | 5,606,002 |
| 1997-02-25 | 5,606,018 |
| 1997-02-25 | 5,606,082 |
| 1997-02-25 | 5,606,097 |
| 1997-02-25 | 5,606,312 |
| 1997-02-25 | 5,606,360 |
| 1997-02-25 | 5,606,425 |
| 1997-02-25 | 5,606,549 |
| 1997-02-25 | 5,606,667 |
| 1997-02-25 | 5,606,678 |
| 1997-02-25 | 5,606,692 |
| 1997-02-25 | 5,606,694 |
| 1997-02-25 | 5,606,701 |
| 1997-02-25 | 5,606,708 |
| 1997-02-25 | 5,606,718 |