Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D647266 | Pipe for vacuum cleaner | Yuna Park | 2011-10-18 |
| D646855 | Vacuum cleaner | Kang-Doo Kim, Eun Sun Lim, Hyun-Il Lee, Dae Kyun Lee | 2011-10-11 |
| D643980 | Vacuum cleaner | Dae Kyun Lee | 2011-08-23 |
| 7984955 | Refrigerator door opening device and refrigerator having the same | Sang Gyu Jung, Yun Ho Yang, Ju Saeng Kim, Yoon Jung Choi | 2011-07-26 |
| D640194 | Charger for vacuum cleaner | Dae Kyun Lee | 2011-06-21 |