Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630061 | Apparatus for generating a mixture gas of oxygen and hydrogen | Jae-heung Lee, Yung-Kil Jun | 2003-10-07 |
| 6497372 | Automatic temperature control valve | Jae-heung Lee, Yung-Kil Jun | 2002-12-24 |