Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8481839 | System and methods for synchronizing audio and/or visual playback with a fingering display for musical instrument | John R. Shaffer | 2013-07-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8481839 | System and methods for synchronizing audio and/or visual playback with a fingering display for musical instrument | John R. Shaffer | 2013-07-09 |