Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8046869 | Motor-noise absorbing apparatus of vacuum cleaner | Seung Gee Hong, Myung Won Lee, Hwan-seok Yang, Sang Won Lee | 2011-11-01 |
| 7596829 | Vacuum cleaner | Hwa-gyu Song, Sung-cheol Lee | 2009-10-06 |
| 7334987 | Fan assembly for vacuum cleaner | Seung Gee Hong, Hwa-gyu Song, Sung-cheol Lee | 2008-02-26 |