Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7432433 | Metronome | — | 2008-10-07 |
| 6316713 | Sound pickup switching apparatus for a string instrument having a plurality of sound pickups | Werner Furst | 2001-11-13 |
| 4526298 | Sport hydration system | Ben A. Posdal | 1985-07-02 |