Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343049 | Electro-chemically machined ring and strut structure for prosthetic heart valves | Paul E. Morris, Leo James Lichte | 1982-08-10 |
| 4276132 | Electro-chemically machined ring and strut structure for prosthetic heart valves | Paul E. Morris, Leo James Lichte | 1981-06-30 |