Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975561 | Method and device for controlling ventilation amount with respect to sealed pipe | Yong Sog Kwon, Shi Cheal Shin, Jae Wang Chung | 2021-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975561 | Method and device for controlling ventilation amount with respect to sealed pipe | Yong Sog Kwon, Shi Cheal Shin, Jae Wang Chung | 2021-04-13 |