Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119894 | Shoulder rest for a stringed instrument | Ning Man Cheng | 2012-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119894 | Shoulder rest for a stringed instrument | Ning Man Cheng | 2012-02-21 |