| Number | Name | Date | Kind |
|---|---|---|---|
| 3668718 | Cuschera | Jun 1972 | A |
| D316594 | Yuen | Apr 1991 | S |
| 6192532 | Sesser et al. | Feb 2001 | B1 |
| D468001 | Teskey | Dec 2002 | S |
| 7467425 | Harmes | Dec 2008 | B2 |
| 20060207003 | Harmes | Sep 2006 | A1 |
| 20100043136 | Michael | Feb 2010 | A1 |
| 20100083439 | Stimpson | Apr 2010 | A1 |