Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823773 | Impedance detection apparatus for earphone plug | Jianbo Wang, Xinfang Cao | 2020-11-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823773 | Impedance detection apparatus for earphone plug | Jianbo Wang, Xinfang Cao | 2020-11-03 |