Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639031 | Sharps disposal system | Philip F. Fritz, Tuan Quoc Nguyen | 1997-06-17 |
| 5470022 | Sharps disposal system | Philip F. Fritz, Tuan Quoc Nguyen | 1995-11-28 |
| 5354000 | Sharps disposal system | Philip F. Fritz, Tuan Quoc Nguyen | 1994-10-11 |