Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9976781 | Air-conditioning and heating system for passenger boarding bridge and control system therefor | Hee Hyeong Cho, Dong Soo Kim, Won Lae Lim | 2018-05-22 |
| 9839564 | Automatic slope adjusting device | Jae Bok Ryu, Sung-Il Kim | 2017-12-12 |