Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505108 | Integrated hydraulic control circuit for jet engine thrust reverser and variable exhaust nozzle | Frank Woodruff, John R. Hoffman | 1985-03-19 |
| 4466321 | Scragg mill | Richard O. Angle | 1984-08-21 |
| 4383647 | Integrated hydraulic control circuit for jet engine thrust reverser and variable exhaust nozzle | Frank Woodruff, John R. Hoffman | 1983-05-17 |