Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809243 | Frame structure and trolley using frame structure | Tao Chen, Weijian Lan, Hua Zhou, Yong Yang, Rong HAN | 2017-11-07 |
| 9780585 | Movable device and method of charging the same | Tao Chen, Weijian Lan, Hua Zhou | 2017-10-03 |