| Withdrawn Patents |
| Grant Date | Patent Number |
| 1999-05-11 | 5,901,437 |
| 1999-05-11 | 5,901,466 |
| 1999-05-11 | 5,901,489 |
| 1999-05-11 | 5,901,654 |
| 1999-05-11 | 5,901,909 |
| 1999-05-11 | 5,901,932 |
| 1999-05-11 | 5,902,091 |
| 1999-05-11 | 5,902,219 |
| 1999-05-11 | 5,902,265 |
| 1999-05-11 | 5,902,288 |
| 1999-05-11 | 5,902,500 |
| 1999-05-11 | 5,902,521 |
| 1999-05-11 | 5,902,550 |
| 1999-05-11 | 5,902,680 |
| 1999-05-11 | 5,902,693 |
| 1999-05-11 | 5,902,729 |
| 1999-05-11 | 5,903,148 |
| 1999-05-11 | 5,903,199 |
| 1999-05-11 | 5,903,258 |
| 1999-05-11 | 5,903,456 |
| 1999-05-11 | 5,903,534 |
| 1999-05-11 | 5,903,604 |
| 1999-05-11 | 5,903,661 |
| 1999-05-11 | 5,903,793 |
