Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10511903 | Sound wave filtering structure and side sound generating speaker module | Lianshan Ge | 2019-12-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10511903 | Sound wave filtering structure and side sound generating speaker module | Lianshan Ge | 2019-12-17 |