Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764509 | Prosthetic heart valve with surface modification | Joseph A. Chinn, Jack Frautschi | 2004-07-20 |
| 6702851 | Prosthetic heart valve with surface modification | Joseph A. Chinn, Jack Frautschi | 2004-03-09 |