Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10932049 | Sounding device | Long Zhang | 2021-02-23 |
| 10932054 | Sound device | Long Zhang | 2021-02-23 |
| 10924862 | Micro sound device | Dai Feng, Chenliang Kong | 2021-02-16 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10932049 | Sounding device | Long Zhang | 2021-02-23 |
| 10932054 | Sound device | Long Zhang | 2021-02-23 |
| 10924862 | Micro sound device | Dai Feng, Chenliang Kong | 2021-02-16 |