Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D620653 | Vacuum cleaner | Young Seok Lee, Kyung Tae Kim | 2010-07-27 |
| D617966 | Radio beacon for robot vacuum cleaner | Young Seok Lee | 2010-06-15 |
| D601315 | Vacuum cleaner | Young Seok Lee | 2009-09-29 |
| D599512 | Vacuum cleaner | Young Seok Lee | 2009-09-01 |