Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8944897 | Ventilation system and controlling method of the same | Min-Chul Cho, Jeong Hun Kim | 2015-02-03 |
| 8800313 | Water circulation system associated with refrigerant cycle | Hyoung Suk Woo | 2014-08-12 |