Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973225 | Adjustable propeller | — | 1990-11-27 |
| 4371350 | Marine vessel with propeller | Wolfgang Wuhrer | 1983-02-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973225 | Adjustable propeller | — | 1990-11-27 |
| 4371350 | Marine vessel with propeller | Wolfgang Wuhrer | 1983-02-01 |