Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204183 | Ventilator with dual flow passages | Facheng Li, Jihong Wang, Shugang Wang | 2021-12-21 |
| 11197094 | Noise reduction method and apparatus based on in-vehicle sound zones, and medium | Long Zhang, Qie Yin | 2021-12-07 |