Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146371 | Oval-shaped cardiac cannula | David DeWindt, Ronald A. Devries, William E. Sidor | 2000-11-14 |
| 5817071 | Oval-shaped cardiac cannula | David DeWindt, Ronald A. Devries, William E. Sidor | 1998-10-06 |