Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370029 | Electromagnetically operated valve | — | 1994-12-06 |
| 4851800 | Electrical stop control for musical instruments and action magnet therefor | Richard H. Peterson | 1989-07-25 |
| 4726277 | Electrical stop control for musical instruments | Richard H. Peterson | 1988-02-23 |
| 4677892 | Electrical actuator for percussion instruments | Richard H. Peterson | 1987-07-07 |
| 4385841 | Digital program control clock | — | 1983-05-31 |
| 4290334 | Electronic wave sharing synthetic sound system | — | 1981-09-22 |
| 4205354 | Music director system | — | 1980-05-27 |