Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10341756 | Pure wireless earphones using optimal monopole antennae | Siu Chung Yeung, Kit Bun Chan | 2019-07-02 |
| 10206026 | Pure wireless headphone with ground reflector | Siu Chung Yeung | 2019-02-12 |