Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11699417 | Auxiliary string pressing device for guitar playing | — | 2023-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11699417 | Auxiliary string pressing device for guitar playing | — | 2023-07-11 |