Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9551502 | Hybrid ventilation apparatus capable of both natural and forced ventilation | Hak-Sung Kim, Yun-Gyu Lee | 2017-01-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9551502 | Hybrid ventilation apparatus capable of both natural and forced ventilation | Hak-Sung Kim, Yun-Gyu Lee | 2017-01-24 |