Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9832565 | Speaker sound hole device | Jun Zhang, Xinfeng Yang | 2017-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9832565 | Speaker sound hole device | Jun Zhang, Xinfeng Yang | 2017-11-28 |