Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839357 | Electric pressure cooker | In-hwan Joo | 1998-11-24 |
| 5776339 | Water purifier having purified water storage tank and valve for discharging purified water before reaching the tank | Eun-Kwan Lee | 1998-07-07 |
| 5645719 | Filter clamping device for water purifiers | Duk Hee Lee | 1997-07-08 |