Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10469953 | Speaker box | Peng Qin, Zhe Zhang | 2019-11-05 |
| 10225646 | Speaker box | Peng Qin, Zhe Zhang | 2019-03-05 |
| 10212521 | Method of manufacturing a sound transducer | Yuanjia Yang, Jian Guo, Oscar Lopez | 2019-02-19 |