Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027200 | Upright vacuum cleaner | Chung-Ook Chong, Geun-Bae Hwang, Chang-Hwa Sun | 2015-05-12 |
| 8613125 | Vacuum cleaner | Kyeong Seon Jeong, Geun-Bae Hwang, Chang-Hwa Sun, Ju-young Min, Chung-Ook Chong | 2013-12-24 |
| 8434194 | Nozzle for a vacuum cleaner | Kyeong Seon Jeong, Geun-Bae Hwang, Kie Tak Hyun, Chang-Hwa Sun | 2013-05-07 |
| 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 |