Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10167069 | Mounting and actuation device | Robert Griffin, Norman Boulard | 2019-01-01 |
| 9809299 | Propeller blade retention | Kenneth F. Udall, David M Beaven | 2017-11-07 |
| 6409470 | Tip treatment bars in a gas turbine engine | Peter Allford | 2002-06-25 |