Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D718008 | Vacuum cleaner | Choi Hwan-woong, Kim Hyungjun | 2014-11-18 |
| D703397 | Vacuum cleaner | Lee Sungkyung | 2014-04-22 |
| D691553 | Charger for vacuum cleaner | Yun Deoksang | 2013-10-15 |