Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807707 | Air exhaust structure for an upright-type vacuum cleaner | Il-won Yang, Hyung Il Jeon | 2004-10-26 |
| 6792647 | Filter supporting structure for an upright-type vacuum cleaner | Il-won Yang, Hyung Il Jeon | 2004-09-21 |
| 6779230 | Air flow structure for an upright-type vacuum cleaner | Il-won Yang, Hyung Il Jeon | 2004-08-24 |
| 6757933 | Cyclone dust collecting apparatus and upright vacuum cleaner | Jang-keun Oh | 2004-07-06 |
| 6702868 | Grill assembly of a cyclone dust-collecting apparatus for a vacuum cleaner | Jang-keun Oh | 2004-03-09 |
| 6685233 | Suction hose assembly for an upright type vacuum cleaner | Il-won Yang, Hyung Il Jeon | 2004-02-03 |