Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8598486 | Method for treating return ores using plasma | Joo Hyun Kang, Jong-Nam Lee, Won Hee Lee | 2013-12-03 |
| 8287802 | Method and apparatus for treating return ores using plasma | Joo Hyun Kang, Jong-Nam Lee, Won Hee Lee | 2012-10-16 |