Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10864487 | Sand-mixing equipment | Maomao Han, Shuwei Li, Weiwei Liu, Xiangxiang Ren, Changli Li +1 more | 2020-12-15 |
| 10798473 | Passive optical network system and implementation method thereof | Weiliang Zhang, Dan Geng, Yong Guo | 2020-10-06 |