Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11420252 | Punch pin assembly and die casting machine having punch pin assembly | Chuan Dai, Jiansheng Wang, Yachun Wan, Yang Han, Hongyin Zhang +2 more | 2022-08-23 |
| 11376670 | Cutting method for aluminum alloy casting, and trimming die | Haijun Guo, Dengyao Li, Gang Zhao, Yacong Zhang | 2022-07-05 |