Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11401674 | Pile-bottom grouting cavity and method for using same, and cast-in-place pile body and method for constructing same | Yunfei Gao | 2022-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11401674 | Pile-bottom grouting cavity and method for using same, and cast-in-place pile body and method for constructing same | Yunfei Gao | 2022-08-02 |