Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10616671 | Surround structure of speaker | Jorge Alejandro López Castillo, Zhongpin Tang | 2020-04-07 |
| D875084 | Surround for loudspeaker | Jorge Alejandro López Castillo, Zhongpin Tang | 2020-02-11 |