Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199092 | Hard rock roadway and tunnel boring machine with actively rotating hobs | Hongxiang Jiang, Songyong Liu, Zhencai Zhu | 2021-12-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199092 | Hard rock roadway and tunnel boring machine with actively rotating hobs | Hongxiang Jiang, Songyong Liu, Zhencai Zhu | 2021-12-14 |