Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961975 | Convertible vacuum cleaner | Jung-seon Park, Byung-jo Lee | 2005-11-08 |
| 6862773 | Dust cover sealing apparatus for a vacuum cleaner | Jung-seon Park, Iil-won Yang | 2005-03-08 |