Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803757 | Auto-switching tee joint, device and method for washing and drying clamps | Jiayong DONG, Qiang Xiang | 2017-10-31 |
| 9776294 | Apparatus for keeping a friction roller | Zhubing Huang, Hui Jing, Xiaofeng Wang, Qiang Xiang | 2017-10-03 |