| Withdrawn Patents |
| Grant Date | Patent Number |
| 1994-03-01 | D344,646 |
| 1994-03-01 | D344,816 |
| 1994-03-01 | 5,289,620 |
| 1994-03-01 | 5,289,667 |
| 1994-03-01 | 5,289,825 |
| 1994-03-01 | 5,290,011 |
| 1994-03-01 | 5,290,029 |
| 1994-03-01 | 5,290,108 |
| 1994-03-01 | 5,290,111 |
| 1994-03-01 | 5,290,162 |
| 1994-03-01 | 5,290,173 |
| 1994-03-01 | 5,290,234 |
| 1994-03-01 | 5,290,252 |
| 1994-03-01 | 5,290,316 |
| 1994-03-01 | 5,290,317 |
| 1994-03-01 | 5,290,328 |
| 1994-03-01 | 5,290,329 |
| 1994-03-01 | 5,290,360 |
| 1994-03-01 | 5,290,778 |
| 1994-03-01 | 5,290,786 |
| 1994-03-01 | 5,290,889 |
| 1994-03-01 | 5,290,994 |
| 1994-03-01 | 5,291,132 |
| 1994-03-01 | 5,291,421 |