Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220111 | Drive and control device for watercraft or the like having at least one pair of steerable propellers | Franz Krautkremer | 1980-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220111 | Drive and control device for watercraft or the like having at least one pair of steerable propellers | Franz Krautkremer | 1980-09-02 |