Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262621 | Remote-controlled submersible drogue | Ulrich Tolkiehn | 1981-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262621 | Remote-controlled submersible drogue | Ulrich Tolkiehn | 1981-04-21 |