Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506208 | Surgical instrument | Gerald Melsky, Stephen C. Evans, Gary Whipple, Richard Stephen Wisdom | 2003-01-14 |
| 6358268 | Surgical instrument | Gerald Melsky, Stephen C. Evans | 2002-03-19 |
| 5437646 | Cannula reducer | Robert Schaefer | 1995-08-01 |
| 5273545 | Endoscopic cannula with tricuspid leaf valve | Robert Schaefer | 1993-12-28 |