Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718063 | Method for modifiying a surface of a metallic substrate material | Yang Li, Yawen Zhan | 2020-07-21 |
| 10626518 | Method for treating a surface of a metallic structure | Yawen Zhan, Yangyang Li | 2020-04-21 |