Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180820 | Hot-work die steel and a preparation method thereof | Jin Zhang, Cheng Zhang, Chao Zhao, Yong Lian, Jianqiang Li | 2021-11-23 |
| D924129 | Charger | — | 2021-07-06 |
| D920905 | Charger | — | 2021-06-01 |