Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10800440 | Smart shopping carts and corresponding methods thereof, and smart shopping systems | Xiangdong Yang | 2020-10-13 |
| 10704594 | Rolling deep groove ball bearing | Shuidian Xu, Tao Xu | 2020-07-07 |