Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828458 | Auxiliary helicopter rotor | — | 1989-05-09 |
| 4808075 | Helicopter rotor | Vittorio Caramaschi, Pierluigi Castelli | 1989-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828458 | Auxiliary helicopter rotor | — | 1989-05-09 |
| 4808075 | Helicopter rotor | Vittorio Caramaschi, Pierluigi Castelli | 1989-02-28 |