Issued Patents 2003
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662403 | Cyclone dust collecting apparatus for a vacuum cleaner | — | 2003-12-16 |
| 6660053 | Grill assembly of cyclone dust collecting apparatus for vacuum cleaner | Jung-seon Park | 2003-12-09 |
| 6640385 | Cyclone dust collecting apparatus for a vacuum cleaner | Jang-youn Ko | 2003-11-04 |
| 6616721 | Cyclone dust collector for preventing backflow | — | 2003-09-09 |
| 6613116 | Grill assembly of cyclone dust collecting apparatus for vacuum cleaner | — | 2003-09-02 |
| 6607575 | Grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner | Joo-Suck Jung | 2003-08-19 |
| 6599339 | Grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner | — | 2003-07-29 |
| 6599338 | Grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner | Joo-Suck Jung | 2003-07-29 |
| 6596047 | Cyclone dust collecting apparatus for a vacuum cleaner | — | 2003-07-22 |
| 6589309 | Cyclone dust collecting assembly for vacuum cleaner | Jung-seon Park | 2003-07-08 |
| 6579334 | Cyclone dust collecting apparatus for vacuum cleaner | Jung-seon Park | 2003-06-17 |
| 6578230 | Upright-type vacuum cleaner having a cyclone dust collecting apparatus | Kyu-Chang Park | 2003-06-17 |
| 6562093 | Cyclone dust collecting device for a vacuum cleaner | — | 2003-05-13 |
| 6546593 | Upright type vacuum cleaner having a cyclone type dust collector | Kyu-Chang Park, Jeong-gon Song | 2003-04-15 |
| 6532620 | Cyclone dust collecting chamber for a vacuum cleaner | — | 2003-03-18 |
| 6530118 | Sub-suction pipe assembly for vacuum cleaner | — | 2003-03-11 |
| 6521006 | Vacuum cleaner | Kyu-Chang Park, Jeong-gon Song | 2003-02-18 |
| 6502278 | Upright type vacuum cleaner having a cyclone type dust collector | Kyu-Chang Park | 2003-01-07 |