Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11443774 | Structure for facilitating hard disk maintenance and method for hard disk maintenance | Guangyi Zhang | 2022-09-13 |
| 11400526 | Clamping jaw assembly and drill chuck | Yanzhao Li | 2022-08-02 |
| 11198184 | Drill chuck | Yanzhao Li, Cong Liu | 2021-12-14 |