Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1056249 | Folding ladder | Jie Li, Shengjiang Wang | 2024-12-31 |
| D1047872 | Platform ladder | Jie Li, Shengjiang Wang | 2024-10-22 |
| 11517935 | Caulking gun handle and caulking gun | Jie Li, Shengjiang Wang | 2022-12-06 |
| 8847712 | Receptacle type ground fault circuit interrupter with reverse wire protection | Ze Chen, Gui Chen | 2014-09-30 |
| 8779875 | Receptacle type ground fault circuit interrupter with reverse wire protection | Ze Chen, Gui Chen | 2014-07-15 |