Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468679 | Metal-based gradient composite material having good lubrication and wear resistance property, the production and the use of the same | Xinhui Zhang | 2002-10-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468679 | Metal-based gradient composite material having good lubrication and wear resistance property, the production and the use of the same | Xinhui Zhang | 2002-10-22 |