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| D552715 | Schmon et al. | Oct 2007 | S |
| D583013 | Wang | Dec 2008 | S |
| D607972 | Wang | Jan 2010 | S |
| D614731 | Wang | Apr 2010 | S |
| D644716 | Gehrung | Sep 2011 | S |
| D672012 | Brose et al. | Dec 2012 | S |
| D689593 | Schmon et al. | Sep 2013 | S |