Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8622677 | Semi-trailer support loading nut | Zhiqiang Wu, Shaofan Zeng | 2014-01-07 |
| D636297 | Semi-trailer leg | Zhiqiang Wu, Shaofan Zeng | 2011-04-19 |
| D592493 | Nut for semi-trailer leg | Zhiqiang Wu, Shaofan Zeng | 2009-05-19 |