Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480368 | Gas heat pump system | Jinwoo Lee, Song Choi | 2022-10-25 |
| 11365911 | Gas heat pump system | Kwangho Shin, Kijung RYU, Song Choi | 2022-06-21 |
| 11231184 | Outdoor unit of gas heat pump system | Kyoungyoul Lee, Song Choi | 2022-01-25 |