Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1341 | High energy propellant formulation | James H. Godsey, Robert F. Keller | 1994-08-02 |
| 4650401 | Flat strap cruciform flexure for helicopter rotor systems | Samuel S. Yao | 1987-03-17 |
| 4349316 | Twist control for helicopter tail rotor pitch change | Keith W. Harvey, Walter Gerd Oskar Sonneborn | 1982-09-14 |