Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808020 | Debris-free valve apparatus and method of use | Stephane J. Virally, Steven L. Anyan, Patrick W. Bixenman | 2004-10-26 |
| 6732803 | Debris free valve apparatus | Stephane J. Virally, Steven L. Anyan, Patrick W. Bixenman | 2004-05-11 |