Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152276 | Filter assembly for a cyclone-type dust collecting apparatus of vacuum cleaner | Jang-keun Oh | 2006-12-26 |
| 7105035 | Cyclone-type dust collecting apparatus for vacuum cleaner | Jang-keun Oh | 2006-09-12 |
| 7074248 | Filter cleaning device of cyclone vacuum cleaner | Jang-keun Oh | 2006-07-11 |
| 6968596 | Cyclone-type dust-collecting apparatus for vacuum cleaner | Jang-keun Oh, Hyun Ju Lee | 2005-11-29 |
| 6928692 | Cyclone-type dust collecting apparatus for vacuum cleaner | Jang-keun Oh | 2005-08-16 |
| 6904640 | Joint assembly of vacuum cleaner and vacuum cleaner having the same | Jang-keun Oh | 2005-06-14 |