Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10491268 | Communicating method between master communication device and slave communication device for controlling cripper-unit in hoist device of rail car | Hak Seo OH, Sung Hyuk YOUN, Youl Kwon SUNG, Sung Ik KIM, Jin Hwan Ko | 2019-11-26 |