Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D859369 | Earphone | Shichen Xu, Yonghui Hu | 2019-09-10 |
| 10257600 | Earphone | Yonghui Hu, Qianlong Liu | 2019-04-09 |
| D843971 | Earphone | Shichen Xu, Xin Sun | 2019-03-26 |
| D838258 | Earphone | Shichen Xu | 2019-01-15 |