Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11050202 | Foldable 2-pin AC power plug/extension cord | Jin Wang | 2021-06-29 |
| 10920127 | Method for in-depth profile control and displacement of low-permeability oil reservoirs | Tianjiang Wu, Mingke Zheng, Xianwen Li, Haien Yang, Xiaorong Li +9 more | 2021-02-16 |