Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643531 | Ferrous alloy composition and manufacture and coating methods of mechanical products using the same | Kang Hyung Kim, Maeng-Roh Park, Seung Ho YANG | 1997-07-01 |
YC
Yong-Kwon Chi
Overall (1997): #56,688 of 185,788Top 35%
1
Patents 1997