Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342246 | Multiple voice electric piano and method | James B. Murphy | 1982-08-03 |
| 4338848 | Piano action | — | 1982-07-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342246 | Multiple voice electric piano and method | James B. Murphy | 1982-08-03 |
| 4338848 | Piano action | — | 1982-07-13 |