Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6846367 | Heat-treating method for improving wear-resistance and corrosion-resistance of chromium-plated steel substrate | Kee-Seok Nam, Do-Yon Chang, Kyu Hwan Lee, Man Kim, Dong Soo Kim +1 more | 2005-01-25 |