| Number | Date | Country | Kind |
|---|---|---|---|
| 133257 | Oct 2006 | CH | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4006743 | Kowarski | Feb 1977 | A |
| D380546 | Clegg et al. | Jul 1997 | S |
| 5921962 | Kriesel et al. | Jul 1999 | A |
| D439341 | Tumey et al. | Mar 2001 | S |
| 6196992 | Keilman et al. | Mar 2001 | B1 |
| D461891 | Moberg | Aug 2002 | S |
| D468822 | Greter | Jan 2003 | S |
| D469176 | Hall et al. | Jan 2003 | S |
| D471274 | Diaz et al. | Mar 2003 | S |
| D484146 | Urano et al. | Dec 2003 | S |
| D520024 | Chen | May 2006 | S |
| D544092 | Lewis | Jun 2007 | S |
| D564087 | Yodfat et al. | Mar 2008 | S |
| 20080021380 | Thommen | Jan 2008 | A1 |
| 20080045887 | Larsson et al. | Feb 2008 | A1 |