Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5758664 | Method of maintaining a left ventricular assist device | Michael L. Campbell, John R. Daugherty, Edward E. Shaw | 1998-06-02 |
| 5647380 | Method of making a left ventricular assist device | Michael L. Campbell, John R. Daugherty | 1997-07-15 |