Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10538615 | Fiber-reinforced rigid polyurethane foam composite railway sleeper with high fiber content and manufacturing method thereof | Bin Niu, Zhibin Zeng, Yonghua Su | 2020-01-21 |