Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679930 | Device for reducing pressure loss of cyclone dust collector | Kyeong Seok Lim, Dong-Jin Kwak, Bong Seok You, Seong Hwa Lee | 2004-01-20 |
| 6572668 | Cyclone dust collector in vacuum cleaner | Kyeong Seok Lim, Dong-Jin Kwak, Bong Seok You, In Cheol Yun | 2003-06-03 |
| 6350292 | Cyclone collector for a vacuum cleaner having a flow guide | Sung Hwa Lee, Dong Jin Kwack, Kyoung Suk Lim, Jun-Sang Park, Byung-sun YANG | 2002-02-26 |