Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10847123 | Bowed stringed instrument mute with acoustical internal cavities | William B. Wiessmeyer | 2020-11-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10847123 | Bowed stringed instrument mute with acoustical internal cavities | William B. Wiessmeyer | 2020-11-24 |