Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9539523 | Integrated waste catalyst cleaning apparatus for RHDS and VRDS processes and method thereof | Gwan GU Yun, Chang Hee Lee | 2017-01-10 |
| 6386346 | Brake valve device for industrial vehicles | Tae Kyung Kim, Dal Sik Jang, Sung-ha Park | 2002-05-14 |