Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11127328 | Bar screen control circuitry, bar screen display system and method for controlling a bar screen | Kejun Hu, Zhiguo Zhang, Xiaohong Wang, Xin Li, Shu Wang +1 more | 2021-09-21 |
| 10948309 | Navigation method, shopping cart and navigation system | Xiangyang Liu, Tong Liu, Zhiguo Zhang | 2021-03-16 |