Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12044463 | Refrigerator | Zhenfei Jia, Weilun Zhang, Dong Guo | 2024-07-23 |
| 11988494 | Piston-type explosive loading and blasting structure and method for hard rock cable pit | Xin Zhang, Jinshan Sun | 2024-05-21 |