Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655600 | Method for installing steel tube arches | Yugen Zhang, Chenghong Liu, Liang Ma, Changyong Ji, Yingmei Wang +3 more | 2023-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655600 | Method for installing steel tube arches | Yugen Zhang, Chenghong Liu, Liang Ma, Changyong Ji, Yingmei Wang +3 more | 2023-05-23 |