Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11865652 | Stepped pin loading mechanism | Yongfei Chen, JIANHUA JI, Xudong Shu, Hao Qian | 2024-01-09 |
| 6223627 | Anti-shock structure of a hammer handle | Yi Jing Jan | 2001-05-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11865652 | Stepped pin loading mechanism | Yongfei Chen, JIANHUA JI, Xudong Shu, Hao Qian | 2024-01-09 |
| 6223627 | Anti-shock structure of a hammer handle | Yi Jing Jan | 2001-05-01 |