| Number | Name | Date | Kind |
|---|---|---|---|
| D112782 | McIntosh | Jan 1939 | S |
| 4412630 | Daenen | Nov 1983 | A |
| 6305546 | Saunders et al. | Oct 2001 | B1 |
| D450983 | Tucker et al. | Nov 2001 | S |
| D462880 | Maxwell et al. | Sep 2002 | S |
| D505839 | Stanos et al. | Jun 2005 | S |
| D551515 | Ablo et al. | Sep 2007 | S |
| D568693 | Furlong | May 2008 | S |
| D572087 | Kim | Jul 2008 | S |
| D621667 | Ablo | Aug 2010 | S |
| 20090057257 | Marcus et al. | Mar 2009 | A1 |