Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690261 | Ship propulsion transmission with at least one engageable friction clutch | Rudolf Peter, Hans Peter Kunz | 1987-09-01 |
| 4442728 | Clutched multiple branch gear transmission system and method | — | 1984-04-17 |