Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8261453 | Plastic pipe cutting tool | — | 2012-09-11 |
| 7600449 | Power adjustable wrench | Yeqing Tian, Jiaming Zou, Wenjiang Zhu | 2009-10-13 |
| 7293367 | Power-operated tape measure | Wenjiang Zhu | 2007-11-13 |