Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11837202 | Torsional based tremolo system with a moving bridge | — | 2023-12-05 |
| 11663997 | Musical instrument locking nut assembly that attaches to a truss rod or a truss rod extension | — | 2023-05-30 |
| 11437003 | Torsional based tremolo system with a stationary bridge | — | 2022-09-06 |
| 11250822 | Torsional based tremolo system with a moving bridge | — | 2022-02-15 |
| 8640984 | Counter-torque device for a helicopter | James R. Andrews, Justin Daw, Jim Hurdle, Paul Sherrill, Jimmy Narramore +5 more | 2014-02-04 |
| 8286908 | Counter-torque device for a helicopter | James R. Andrews, Justin Daw, Jim Hurdle, Paul Sherrill, Jimmy Narramore +5 more | 2012-10-16 |