| Number | Date | Country | Kind |
|---|---|---|---|
| 30-2011-0018555 | May 2011 | KR | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D494156 | Chen et al. | Aug 2004 | S |
| 6776345 | Liang | Aug 2004 | B1 |
| 7092375 | Pitsoulakis | Aug 2006 | B2 |
| D610133 | Asano | Feb 2010 | S |
| D620900 | Harden et al. | Aug 2010 | S |
| D633495 | Yoon et al. | Mar 2011 | S |
| D642167 | Brandt et al. | Jul 2011 | S |
| D647091 | Yoon et al. | Oct 2011 | S |
| D662496 | Lewis et al. | Jun 2012 | S |
| 20050238089 | Kodama et al. | Oct 2005 | A1 |
| 20070018067 | Huang | Jan 2007 | A1 |
| 20110197246 | Stancato et al. | Aug 2011 | A1 |