Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8162707 | Semi-submerged propeller propulsion system of displacement and semi-displacement crafts | Renato Levi | 2012-04-24 |
| 7993173 | Marine drive system with partially submerged propeller | — | 2011-08-09 |