Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11342766 | Shopping cart charging device and charging system, escalator, shopping cart | Tailiang Li, Yifei Zhang, Hongtao Guan, Ying Zhang | 2022-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11342766 | Shopping cart charging device and charging system, escalator, shopping cart | Tailiang Li, Yifei Zhang, Hongtao Guan, Ying Zhang | 2022-05-24 |