Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4291420 | Artificial heart valve | — | 1981-09-29 |
| 4263680 | Prosthetic closure devices to replace the valves in human hearts | Ernst-Wilhelm Muller | 1981-04-28 |
| 4218783 | Prosthetic closure element for the replacement of the mitral and tricuspid valve in the human heart | Dhanjoo Noshir Ghista | 1980-08-26 |