Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7281298 | Upright vacuum cleaner with foldable handle | Byung-jo Lee, Joo-sung Moon, Dae-yeoun Moon | 2007-10-16 |
| D525754 | Handle for upright vacuum cleaner | Dong Yun Lee, Min-Jo Choi | 2006-07-25 |