Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11225768 | Drainage grouting pipe and method of use thereof | Lisha Zhang, Binghe Li, Jinhong Zhang, Xiao Wei, Hongwei Ying +2 more | 2022-01-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11225768 | Drainage grouting pipe and method of use thereof | Lisha Zhang, Binghe Li, Jinhong Zhang, Xiao Wei, Hongwei Ying +2 more | 2022-01-18 |