Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10864583 | Reset mechanism | Yongfeng Xi, Yijie Hao, Yuan He, Guozhong Cao, Chenglong Li +1 more | 2020-12-15 |
| 10688568 | Key cutting machine and a fixture for key cutting machine | Yongfeng Xi, Yijie Hao, Yuan He, Guozhong Cao, Chenglong Li +1 more | 2020-06-23 |