Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9508327 | Pitch adjustment device for stringed musical instruments | — | 2016-11-29 |
| 9424820 | Transformable stand with an improved foot operated pitch changing mechanism for stringed instruments | — | 2016-08-23 |
| 9299323 | Pitch adjustment device for stringed musical instruments | — | 2016-03-29 |