Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11445291 | Noise-reducing earphone with adjustable voice | Shun Ming Yuen, Wai Yin Mung, Shui Shing Choi | 2022-09-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11445291 | Noise-reducing earphone with adjustable voice | Shun Ming Yuen, Wai Yin Mung, Shui Shing Choi | 2022-09-13 |