Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10856083 | Diaphragm and miniature speaker comprising same | Jianhua Gu, Zengxun Wu | 2020-12-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10856083 | Diaphragm and miniature speaker comprising same | Jianhua Gu, Zengxun Wu | 2020-12-01 |