Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10632816 | Freon refilling apparatus for vehicles | Zhuo Cai, Weicai Jiang | 2020-04-28 |
| 10470368 | Multi-functional garden implement | Weijun Li, Shijun Zhu | 2019-11-12 |
| 10117382 | Multi-functional garden implement | Weijun Li, Shijun Zhu | 2018-11-06 |