Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7279626 | Suspension device for strings on a stringed instrument | Jonathan Raven Draper | 2007-10-09 | |
| 6441287 | Snare drum mechanism | Steve Crouch, Mark W. Schafer | 2002-08-27 | |
| 4625758 | Valve actuator apparatus | — | 1986-12-02 | $7,124,000 |