Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079113 | Vacuum cleaner having abilities for automatic moving and posture control and method of controlling the same | Chung-Ook Chong, Kyeong Seon Jeong, Kie Tak Hyun, Geun-Bae Hwang, Kyu-Chun Choi +2 more | 2011-12-20 |
| 7951216 | Dust separating apparatus of vacuum cleaner | Gun Ho Ha, Kyeong Seon Jeong, Jin-Wook Seo, Kie Tak Hyun, Chang Ho Yun +5 more | 2011-05-31 |