Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355848 | Internal-combustion engine with concentric, annular intake and exhaust valves | — | 1994-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355848 | Internal-combustion engine with concentric, annular intake and exhaust valves | — | 1994-10-18 |