Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694385 | Brush apparatus for a vacuum cleaner | Yun-sup Hwang, Tae-gwang Kim | 2010-04-13 |
| 7267705 | Locking unit of cyclone type dust collecting apparatus | Byung-jo Lee | 2007-09-11 |
| 7191490 | Soil collection receptacle attaching/detaching apparatus for cyclone vacuum cleaner and vacuum cleaner having the same | Byung-jo Lee, Dong Yun Lee | 2007-03-20 |
| D525754 | Handle for upright vacuum cleaner | Dong Yun Lee, Myoung-sun Joung | 2006-07-25 |
| 6782584 | Upright type vacuum cleaner | — | 2004-08-31 |
| 6735816 | Upright-type vacuum cleaner | Jang-keun Oh | 2004-05-18 |
| 6648934 | Grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner | Byung-jo Lee | 2003-11-18 |
| 6623539 | Cyclone dust collecting apparatus for a vacuum cleaner | Byung-jo Lee | 2003-09-23 |