Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900191 | Pulling-out device for prefabricated concrete support wall | Hetao Hou, Ning Wang, Bing Sun, Haiyang Li | 2021-01-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900191 | Pulling-out device for prefabricated concrete support wall | Hetao Hou, Ning Wang, Bing Sun, Haiyang Li | 2021-01-26 |