Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105707 | Method of and device for automatically and instantaneously shifting a musical scale of a piano to another musical scale | — | 1992-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105707 | Method of and device for automatically and instantaneously shifting a musical scale of a piano to another musical scale | — | 1992-04-21 |