Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318580 | Retractable trocar | — | 1994-06-07 |
| 5309896 | Retraction methods using endoscopic inflatable retraction devices | Frederic H. Moll, Albert K. Chin, Philip K. Hopper | 1994-05-10 |