Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056490 | Watercraft having a kite-like element | — | 2011-11-15 |
| 7971545 | Watercraft having a kite-like element | — | 2011-07-05 |
| 7866271 | Placement system for a flying kite-type wind-attacked element in a wind-powered watercraft | Johannes Böhm | 2011-01-11 |