| Number | Name | Date | Kind |
|---|---|---|---|
| 6868578 | Kasper et al. | Mar 2005 | B1 |
| D533699 | Dyson et al. | Dec 2006 | S |
| D561959 | Hahn | Feb 2008 | S |
| D614370 | Dyson et al. | Apr 2010 | S |
| D644384 | Santiago et al. | Aug 2011 | S |
| 8032983 | Griffith et al. | Oct 2011 | B2 |
| 8042224 | White et al. | Oct 2011 | B2 |
| D662677 | Bilger et al. | Jun 2012 | S |
| 20080250602 | Liddell | Oct 2008 | A1 |
| 20100229334 | Conrad | Sep 2010 | A1 |