Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679930 | Device for reducing pressure loss of cyclone dust collector | Hyeok Seong An, Kyeong Seok Lim, Bong Seok You, Seong Hwa Lee | 2004-01-20 |
DK
Dong-Jin Kwak
Overall (2004): #232,052 of 270,089Top 90%
1
Patents 2004