Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441200 | Method and device for preparing corrosion-resistant hot stamping part | Jian An, Dongcheng LI | 2022-09-13 |
| 8224631 | Stress, geologic, and support analysis methodology for underground openings | John C. Stankus, Jinrong Ma, Xiaoting Li | 2012-07-17 |