| Number | Name | Date | Kind |
|---|---|---|---|
| D306123 | Ramsey | Feb 1990 | S |
| D403335 | Arfele et al. | Dec 1998 | S |
| D496948 | Charland et al. | Oct 2004 | S |
| D524333 | Brady | Jul 2006 | S |
| D553169 | Sakata et al. | Oct 2007 | S |
| D611512 | Sundin | Mar 2010 | S |
| D649988 | Frejd | Dec 2011 | S |
| 8714285 | Hall et al. | May 2014 | B2 |
| 20080035389 | Hall et al. | Feb 2008 | A1 |
| 20110042150 | Hall et al. | Feb 2011 | A1 |
| 20110297451 | Cox et al. | Dec 2011 | A1 |
| 20120234609 | Cooley et al. | Sep 2012 | A1 |
| 20120255784 | Hanford | Oct 2012 | A1 |
| 20120261977 | Hall et al. | Oct 2012 | A1 |
| 20120279786 | Cox | Nov 2012 | A1 |