Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807707 | Air exhaust structure for an upright-type vacuum cleaner | Jung-seon Park, Il-won Yang | 2004-10-26 |
| 6792647 | Filter supporting structure for an upright-type vacuum cleaner | Jung-seon Park, Il-won Yang | 2004-09-21 |
| 6779230 | Air flow structure for an upright-type vacuum cleaner | Jung-seon Park, Il-won Yang | 2004-08-24 |
| 6685233 | Suction hose assembly for an upright type vacuum cleaner | Jung-seon Park, Il-won Yang | 2004-02-03 |