| Number | Name | Date | Kind |
|---|---|---|---|
| D292516 | Wolff | Oct 1987 | S |
| D344739 | Edman et al. | Mar 1994 | S |
| 5370455 | Sedovic et al. | Dec 1994 | A |
| D494195 | Becke | Aug 2004 | S |
| D506480 | Floeter et al. | Jun 2005 | S |
| 7472974 | Czach et al. | Jan 2009 | B2 |
| D590424 | Baacke et al. | Apr 2009 | S |
| D591315 | Baacke et al. | Apr 2009 | S |
| 7748805 | Lucas et al. | Jul 2010 | B2 |
| D669506 | Czach et al. | Oct 2012 | S |