Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10233755 | Drilling and bursting heading machine | Songyong Liu, Zhencai Zhu, Changlong Du, Wei Li, Gang Shen +2 more | 2019-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10233755 | Drilling and bursting heading machine | Songyong Liu, Zhencai Zhu, Changlong Du, Wei Li, Gang Shen +2 more | 2019-03-19 |