Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8727820 | Hybrid drive system for a ship | Andrea Pellegrinetti, Adriano Zanfei, Michele Zottele | 2014-05-20 |
| 8690616 | Ship propulsion system | Davide Grassi, Andrea Pellegrinetti, Adriano Zanfei, Michele Zottele | 2014-04-08 |
| 8584609 | Tapered tunnel for tunnel thrusters | Eric A. Davis, Rick Davis | 2013-11-19 |