Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D953411 | Steel tongue drum | Xiaojin Cai | 2022-05-31 |
| D923695 | Steel tongue drum | Xiaojin Cai | 2021-06-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D953411 | Steel tongue drum | Xiaojin Cai | 2022-05-31 |
| D923695 | Steel tongue drum | Xiaojin Cai | 2021-06-29 |