Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926571 | Connection for connecting compressed-air lines | — | 1990-05-22 |
| 4493660 | Ship having at least one propeller nozzle unit with rudder in optimum position | Willi Becker | 1985-01-15 |