Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860624 | Electronic musical instrument employing tru-scale interval system for prevention of overtone collisions | Joseph A. Dinnan | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860624 | Electronic musical instrument employing tru-scale interval system for prevention of overtone collisions | Joseph A. Dinnan | 1989-08-29 |