Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5743883 | Thoracentesis catheter instruments having self-sealing valves | — | 1998-04-28 |
| 5399161 | Endoscopic kitner | Donald B. Williams | 1995-03-21 |
| 5308316 | Encoscopic kitner | Donald B. Williams | 1994-05-03 |
| 5289817 | Endoscopic surgical retractor | Donald B. Williams | 1994-03-01 |