Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138108 | Gas-liquid mixing device of beverage | Ruofeng Weng | 2018-11-27 |
| 9566555 | Self-pressurization gas-liquid mixing device used for making beverage | Ruofeng Weng | 2017-02-14 |