Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478788 | Apparatus of controlling the bubble size and contents of bubble, and that method | In-Ha Jung, Sung Joo Lee | 2019-11-19 |
| 8496514 | Intelligent energy saving ventilation control system | Jo-chun Kim, Sang Gwi Chung, Young Ku Sunwoo | 2013-07-30 |