Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D290596 | Helicopter | — | 1987-06-30 |
| 4616977 | Hubless, hingeless and bearingless helicopter rotor system | — | 1986-10-14 |
| 4497284 | Barrel type engine with plural two-cycle cylinders and pressurized induction | — | 1985-02-05 |
| D271390 | Helicopter | — | 1983-11-15 |
| 4403918 | Hubless, hingeless and bearingless helicopter rotor system | — | 1983-09-13 |