Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738105 | Compact crank drive mechanism with guided pistons | William T. Beale | 1988-04-19 |
| 4532819 | Compact crank drive mechanism | — | 1985-08-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738105 | Compact crank drive mechanism with guided pistons | William T. Beale | 1988-04-19 |
| 4532819 | Compact crank drive mechanism | — | 1985-08-06 |