Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363255 | Piano action magnetic tape recording process and apparatus for player piano playback | — | 1982-12-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363255 | Piano action magnetic tape recording process and apparatus for player piano playback | — | 1982-12-14 |