Issued Patents 2004
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833015 | Cyclone-type dust-collecting apparatus for use in a vacuum cleaner | Hyun Ju Lee, Sung-Tae Joo | 2004-12-21 |
| 6824580 | Cyclone dust collecting apparatus for a vacuum cleaner | — | 2004-11-30 |
| 6811584 | Cyclone dust collecting apparatus for a vacuum cleaner | — | 2004-11-02 |
| 6804630 | Method for measuring quantity of usage of CPU | Sang Ho Lee | 2004-10-12 |
| 6782583 | Cyclone dust collecting device for a vacuum cleaner | — | 2004-08-31 |
| 6766557 | Upright-type vacuum cleaner having a cyclone dust collecting apparatus | Kyu-Chang Park | 2004-07-27 |
| 6757933 | Cyclone dust collecting apparatus and upright vacuum cleaner | Jung-seon Park | 2004-07-06 |
| 6735816 | Upright-type vacuum cleaner | Min-Jo Choi | 2004-05-18 |
| 6732406 | Upright type vacuum cleaner | — | 2004-05-11 |
| 6732405 | Vacuum cleaner | — | 2004-05-11 |
| 6702868 | Grill assembly of a cyclone dust-collecting apparatus for a vacuum cleaner | Jung-seon Park | 2004-03-09 |