Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459888 | Auxiliary transportation and support system used after rapid excavation | Changyan Pu, Limin Wu, Wenguang Cheng, Zhiguo Jing, Min Zheng +2 more | 2022-10-04 |
| 10246264 | Roller train and substrate conveying device | Baiyu Chen, Wei-Chung Chen, Maosheng He, Qing Liu, Yaojun Lv | 2019-04-02 |