| Number | Date | Country | Kind |
|---|---|---|---|
| 135468 | Sep 2008 | CH | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D382851 | Knutson et al. | Aug 1997 | S |
| D467217 | Andreyko | Dec 2002 | S |
| D477806 | Gopalaswami et al. | Jul 2003 | S |
| D499689 | Han | Dec 2004 | S |
| D503141 | Schafroth | Mar 2005 | S |
| D583295 | Au | Dec 2008 | S |
| D588519 | Westra et al. | Mar 2009 | S |
| D588976 | Westra et al. | Mar 2009 | S |