Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983437 | Earphone set with detachable speakers or subwoofers | Lap Shun Hui | 2011-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983437 | Earphone set with detachable speakers or subwoofers | Lap Shun Hui | 2011-07-19 |