Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10993031 | Transducer vibrating diaphragm structure, flat panel speaker and earphone therewith | — | 2021-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10993031 | Transducer vibrating diaphragm structure, flat panel speaker and earphone therewith | — | 2021-04-27 |