Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467733 | Device for working the hem of tubular pieces of garment | — | 1984-08-28 |
| 4466775 | Helicopter rotors | — | 1984-08-21 |
| 4297078 | Helicopter rotors | — | 1981-10-27 |
| 4249862 | Damper means for helicopter rotors | Alan Waddington | 1981-02-10 |