Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422553 | Servo actuator diagnostic monitoring | Karl H. Wallischeck | 1995-06-06 |
| 4529155 | Redundant tail rotor control system | Frank Bramwell | 1985-07-16 |
| 4354234 | Automatic lock-positioning of foldable helicopter blades | William J. Mulvey | 1982-10-12 |