Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759759 | Bubble heart valve | David K. Walker, Richard T. Brownlee, Lawrence N. Scotten, Roberto Racca | 1988-07-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759759 | Bubble heart valve | David K. Walker, Richard T. Brownlee, Lawrence N. Scotten, Roberto Racca | 1988-07-26 |