Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777881 | Polymer composite grouting method for blocking leaking and sand inrush of underground pipelines | Fuming Wang, Yanhui Zhong, Bei Zhang, Xiaolong Li | 2017-10-03 |
| D791647 | Electric three wheel motorcycle | Guande Li | 2017-07-11 |