Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643531 | Ferrous alloy composition and manufacture and coating methods of mechanical products using the same | Maeng-Roh Park, Seung Ho YANG, Yong-Kwon Chi | 1997-07-01 |
| 5635255 | Method for producing corrosion and wear resistant member by coating substrate with an iron alloy material powder | Kwang Woo KWON | 1997-06-03 |