Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8640984 | Counter-torque device for a helicopter | John Michael Kebrle, James R. Andrews, Justin Daw, Jim Hurdle, Paul Sherrill +5 more | 2014-02-04 |
| 8286908 | Counter-torque device for a helicopter | John Michael Kebrle, James R. Andrews, Justin Daw, Jim Hurdle, Paul Sherrill +5 more | 2012-10-16 |