Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668572 | Air conditioner having hot/cold water producing device | Kook Jeong Seo, Jong Kweon Ha | 2003-12-30 |
| 5255536 | Defrost assembly | Gyoo Ha Jung, Kyung-Il Lee | 1993-10-26 |
| 5186022 | Evaporator structure for refrigerator-freezer | — | 1993-02-16 |