Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6166307 | Apparatus for automating a stringed instrument | Jeffrey M. Caulkins | 2000-12-26 |
| 6049031 | Magnetic valve system for a musical instrument | — | 2000-04-11 |
| 5441434 | Magnetic conveyance system | — | 1995-08-15 |
| 5255589 | Calliope pipe converter, assembly, and method | — | 1993-10-26 |
| 4733592 | Player piano tracker bar and method | — | 1988-03-29 |
| 4619177 | Musical instrument pneumatic actuator | — | 1986-10-28 |