Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9532133 | Dual-frequency coaxial earphone | To-Teng HUANG | 2016-12-27 |
| 9467762 | Earphone device having sound guiding structures | To-Teng HUANG | 2016-10-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9532133 | Dual-frequency coaxial earphone | To-Teng HUANG | 2016-12-27 |
| 9467762 | Earphone device having sound guiding structures | To-Teng HUANG | 2016-10-11 |