Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152693 | Folding propeller | Steen Christian Olsen | 2000-11-28 |
| 5573373 | Propellar having optimum efficiency in forward and rewarded navigation | Steen Olesen | 1996-11-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152693 | Folding propeller | Steen Christian Olsen | 2000-11-28 |
| 5573373 | Propellar having optimum efficiency in forward and rewarded navigation | Steen Olesen | 1996-11-12 |