Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11540056 | Speaker and magnetic circuit system thereof | Cheng Zhai, Dengwei Wang, Chuankun Ding | 2022-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11540056 | Speaker and magnetic circuit system thereof | Cheng Zhai, Dengwei Wang, Chuankun Ding | 2022-12-27 |