Issued Patents All Time
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, Seong-Koo Cho, Geun-Bae Hwang +2 more | 2011-12-20 |
| 7810211 | Vacuum cleaner having agitator performing linear translation | Chung-Ook Chong, Keyong-seon Jeong, Kie Tak Hyun, Seong-Koo Cho, Geun-Bae Hwang +2 more | 2010-10-12 |