| 9107551 |
Vacuum cleaner |
— |
2015-08-18 |
| 8959706 |
Vacuum cleaner |
Seong Ho Park, Hae Seock Yang, Young-Min Hyun, Hyo-Churl Shin, Sang Jun Park +1 more |
2015-02-24 |
| 8881343 |
Vacuum cleaner |
Sang Jun Park, Young-Min Hyun, Hyo-Churl Shin, Hae Seock Yang, Jin-Wook Seo |
2014-11-11 |
| 8732899 |
Vacuum cleaner |
Sang Jun Park, Young-Min Hyun, Hyo-Churl Shin, Hae Seock Yang, Jin-Wook Seo |
2014-05-27 |
| 8544144 |
Vacuum cleaner and dust separation apparatus thereof |
Heon-Pyeong Ji, Hae Seock Yang, Young-Min Hyun, Hyo-Churl Shin, Sang Jun Park +1 more |
2013-10-01 |
| 8528163 |
Vacuum cleaner |
Sang Jun Park, Young-Min Hyun, Hyo-Churl Shin, Hae Seock Yang, Jin-Wook Seo |
2013-09-10 |
| 7992252 |
Vacuum cleaner |
Sang Jun Park, Young-Min Hyun, Hyo-Churl Shin, Hue-Seock Yang, Jin-Wook Seo |
2011-08-09 |
| 7600293 |
Vacuum cleaner |
Jae Hong Lee, Seog Yong Kim, Sang Jun Park |
2009-10-13 |
| 7510587 |
Vacuum cleaner |
Jae Hong Lee, Seog Yong Kim, Sang Jun Park |
2009-03-31 |
| 7481868 |
Dust compressing apparatus and method for dust collecting unit of vacuum cleaner |
Jae Hong Lee, Seog Yong Kim, Sang Jun Park |
2009-01-27 |
