Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660053 | Grill assembly of cyclone dust collecting apparatus for vacuum cleaner | Jang-keun Oh | 2003-12-09 |
| 6589309 | Cyclone dust collecting assembly for vacuum cleaner | Jang-keun Oh | 2003-07-08 |
| 6579334 | Cyclone dust collecting apparatus for vacuum cleaner | Jang-keun Oh | 2003-06-17 |