Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8950704 | Cold-launch device and method using the same | Xuanzhe Hu, Zhenhua Hu | 2015-02-10 |
| 6546725 | Hydraulic jack and a hydraulic circuit for such a hydraulic jack | Xuanzhe Hu, Zhenhua Hu | 2003-04-15 |