Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6102845 | Ventricular assist device with minimal blood contacting surfaces | Ronald A. Ness, Richard Romley, Than Nguyen, Herbert Chen | 2000-08-15 |
| 5810708 | Ventricular assist conduit with externally supported tissue valve | Ronald A. Ness, Richard Romley, Than Nguyen, Herbert Chen | 1998-09-22 |
| 5599173 | Blood pump system | Herbert Chen, Ronald A. Ness | 1997-02-04 |
| 5511958 | Blood pump system | Herbert Chen, Ronald A. Ness | 1996-04-30 |