Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11519049 | Low temperature resistant oil casing having high strength and high toughness, and manufacturing method thereof | Zhonghua Zhang, Xiaoming Dong | 2022-12-06 |
| D946495 | Tire | Long Qin, Wenlong Lin, Jingjing Liu, Junrui Wan | 2022-03-22 |