Issued Patents 2002
Showing 1–2 of 2 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 | Yifei Zhang | 2002-10-22 |
| 6354663 | Latching system | Ajay Sadashiv Wani | 2002-03-12 |