Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5433404 | Airfoil with variable geometry expansion surface | Patrick R. Ashill | 1995-07-18 |
| 4718619 | Manoeuverable supercritical wing section | Patrick R. Ashill, Donald C. Pierce, Desmond A. Treadgold | 1988-01-12 |