Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648345 | Propeller system with electronically controlled cyclic and collective blade pitch | Lawrence A. Mackey, Frederick R. Haselton | 1987-03-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648345 | Propeller system with electronically controlled cyclic and collective blade pitch | Lawrence A. Mackey, Frederick R. Haselton | 1987-03-10 |