Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9945083 | Unidirectional bend drive chain and lift mechanism and boom barrier including same | Mansheng Dong, Chao Zhang, Qin Shi, Yikai Chen, Zhibin Sun +2 more | 2018-04-17 |