Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11699418 | Stringed instrument plectrum having an inlaid center portion | Gerald Francis Brown | 2023-07-11 |
| 11670268 | Broad spectrum audio device designed to accelerate the maturation of stringed instruments | Gerald Francis Brown | 2023-06-06 |