Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D935789 | Golf club cleaner brush | — | 2021-11-16 |
| 9874769 | Cloth attachment device and cloth attachment method using the same | Laifeng Liu, Jiayong DONG | 2018-01-23 |
| 9803757 | Auto-switching tee joint, device and method for washing and drying clamps | Laifeng Liu, Jiayong DONG | 2017-10-31 |
| 9776294 | Apparatus for keeping a friction roller | Laifeng Liu, Zhubing Huang, Hui Jing, Xiaofeng Wang | 2017-10-03 |
| 9744718 | Apparatus and method for sticking cloth | Peng Yu, Wenhao Wang, Jie Wang | 2017-08-29 |