Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995086 | Center-pillared full-face shaft drilling machine | Hua Zhao, Jianbin Li, Ningchuan Zhang, Wei Xiao, Xingjian Zhuo +4 more | 2018-06-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995086 | Center-pillared full-face shaft drilling machine | Hua Zhao, Jianbin Li, Ningchuan Zhang, Wei Xiao, Xingjian Zhuo +4 more | 2018-06-12 |