Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689106 | Retracting needle assembly for a syringe | Roger Hoeck, Amir Ali Sharifi-Mehr | 2004-02-10 |
| 6679863 | Hypodermic syringe with selectively retractable needle | Roger Hoeck | 2004-01-20 |