Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7213297 | Vacuum cleaner having suction/exhaustion switch | Young Woo Lee | 2007-05-08 |
| 6843644 | Mounting structure of blower for vacuum cleaner | Ho-Seon Rew, Yong-Woo Lee | 2005-01-18 |
| 6748622 | Water circulation cleaner | Seong Bin Lee | 2004-06-15 |