Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10820078 | Speaker box | Guoxiu Feng | 2020-10-27 |
| 10798481 | Speaker box | Zhichen Chen | 2020-10-06 |
| 10674242 | Speaker box | Zhichen Chen, Bin Cai, Zhe Zhang, Peng Qin | 2020-06-02 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10820078 | Speaker box | Guoxiu Feng | 2020-10-27 |
| 10798481 | Speaker box | Zhichen Chen | 2020-10-06 |
| 10674242 | Speaker box | Zhichen Chen, Bin Cai, Zhe Zhang, Peng Qin | 2020-06-02 |