Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11113684 | Device, system, and method for creating virtual credit card | Guoguo LIU, Yi Wu, Chen Gong, Jinming Zhang, Jinwen TAN +10 more | 2021-09-07 |
| 10895281 | Curved groove ball bearing without retainer | Kangquan Guo, Yaohua Hu, Fang Gu, Mingfang WU | 2021-01-19 |