Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10397675 | Dust protection for externally ported speaker enclosure | Quentine Ruan, Sum Zhang | 2019-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10397675 | Dust protection for externally ported speaker enclosure | Quentine Ruan, Sum Zhang | 2019-08-27 |