Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654223 | Cold spray apparatus having powder preheating device | Hyung Jun Kim | 2010-02-02 |
| 7322508 | Tool, apparatus, and method for welding workpieces | Woong-Seong Chang, Sook Hwan Kim | 2008-01-29 |