Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9838792 | Vibration system of a loudspeaker | Xuelu Liu | 2017-12-05 |
| 9832565 | Speaker sound hole device | Jun Zhang, Chengfei Zhang | 2017-11-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9838792 | Vibration system of a loudspeaker | Xuelu Liu | 2017-12-05 |
| 9832565 | Speaker sound hole device | Jun Zhang, Chengfei Zhang | 2017-11-28 |