Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10674247 | Hearing protection earphone, hearing protection method and computer program storage medium for the same | Guoming Song, Feilong Cheng, Chunyan Hu, Jiawei Zhou | 2020-06-02 |