Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281721 | Metering valve with stepper motor-controlled rotary follow-up servo | J. Dugan Shelby, Bradley McRoberts, Austin Hasse, Sammuel Tillich | 2025-04-22 |
| 11378018 | Fuel metering system | Edward Zielinski | 2022-07-05 |
| 10472050 | Propeller pitch control actuation system | Paul W. Futa, Jr., Dugan Shelby, Brad McRoberts | 2019-11-12 |
| 5579632 | Overspeed governor control system | Rick L. Poelstra, Timothy F. Wiegand, Paul W. Futa, Jr. | 1996-12-03 |