Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844717 | Mechanical constant-resistance single prop continuous prop lifting pre-tightening device and method | Yanlong Chen, Hai Pu, Kai Zhang, Yu Wu, Ming LI +4 more | 2020-11-24 |
| 10826121 | Electrolyte and secondary battery | Shaowei Feng, Changlong Han, Xiaochong Zhou, Ming Zhang | 2020-11-03 |