Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041589 | Method, apparatus and system for safety control | Patrick Poa, Mingliang Zhang, Wei Wang | 2021-06-22 |
| 10906721 | Vacuum preservation device | An Liu, Zhicheng Liu, TongSheng Tao | 2021-02-02 |