| Number | Date | Country | Kind |
|---|---|---|---|
| 30-2011-0014356 | Apr 2011 | KR | national |
| Number | Name | Date | Kind |
|---|---|---|---|
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| D614821 | Cho et al. | Apr 2010 | S |
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| D627529 | Jeon et al. | Nov 2010 | S |
| D631623 | Chung et al. | Jan 2011 | S |
| D634492 | Chung et al. | Mar 2011 | S |
| D635313 | Jeon et al. | Mar 2011 | S |