Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |