Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D897553 | Multi-analyte test device | Jianqiu Fang | 2020-09-29 |
| 8513550 | Movable contact assembly for electrical switch | — | 2013-08-20 |
| 8448539 | Spring operation device and method for assembling the same and switching device | — | 2013-05-28 |
| 8319131 | Device for switching an electrical switch on and off | Xin Duan, Da LI, Di Li | 2012-11-27 |