Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11317217 | Sound device and portable terminal | Xinglong Wang, Jianjian Wang, Chunfa Liu | 2022-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11317217 | Sound device and portable terminal | Xinglong Wang, Jianjian Wang, Chunfa Liu | 2022-04-26 |