| Number | Date | Country | Kind |
|---|---|---|---|
| 001691957-0006 | Apr 2010 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| 5772315 | Shen | Jun 1998 | A |
| 6170967 | Usher et al. | Jan 2001 | B1 |
| D520177 | Roos et al. | May 2006 | S |
| 7306359 | Harwood | Dec 2007 | B2 |
| D563012 | Citterio | Feb 2008 | S |
| D604003 | Sabernig | Nov 2009 | S |
| D618843 | Sabernig | Jun 2010 | S |
| D633636 | Gielen | Mar 2011 | S |
| 20110007503 | Caron et al. | Jan 2011 | A1 |