Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D744182 | Cleaner dust canister | Dongwon Cheon | 2015-11-24 |
| D744181 | Robot cleaner | Dongwon Cheon | 2015-11-24 |
| D669237 | Dust collecting case for vacuum cleaner | Joo Hyung Kim | 2012-10-16 |
| D668408 | Dust collecting case for a vacuum cleaner | Joo Hyung Kim | 2012-10-02 |
| D647266 | Pipe for vacuum cleaner | Joo Hyung Kim | 2011-10-18 |