Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10857601 | Sawtooth structure with reversed cutting function and its drill series | Zhenyuan JIA, Fuji Wang, Rao Fu, Yu Sheng Bai, Wei Liu +2 more | 2020-12-08 |
| 10538615 | Fiber-reinforced rigid polyurethane foam composite railway sleeper with high fiber content and manufacturing method thereof | Zhibin Zeng, Yonghua Su, Tibo Zhao | 2020-01-21 |