Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851800 | Electrical stop control for musical instruments and action magnet therefor | Richard H. Peterson | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851800 | Electrical stop control for musical instruments and action magnet therefor | Richard H. Peterson | 1989-07-25 |