Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10847123 | Bowed stringed instrument mute with acoustical internal cavities | William B. Wiessmeyer | 2020-11-24 |
| 7906716 | Mute for bowed stringed instruments | — | 2011-03-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10847123 | Bowed stringed instrument mute with acoustical internal cavities | William B. Wiessmeyer | 2020-11-24 |
| 7906716 | Mute for bowed stringed instruments | — | 2011-03-15 |