Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181678 | Flexible tailored elastic airfoil section | Sheila E. Widnall, William E. GORGEN, Jeffrey T. Evernham | 1993-01-26 |
| 4426192 | Method and apparatus for controlling windmill blade pitch | Allan Chertok, Joel Donahue | 1984-01-17 |