Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9877127 | Method and system for testing temperature tolerance limit of loudspeaker | Xinfeng Yang, Dong Qiu | 2018-01-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9877127 | Method and system for testing temperature tolerance limit of loudspeaker | Xinfeng Yang, Dong Qiu | 2018-01-23 |