| Number | Name | Date | Kind |
|---|---|---|---|
| D599434 | Stenberg | Sep 2009 | S |
| D616067 | Cavagna | May 2010 | S |
| D619681 | Reimann et al. | Jul 2010 | S |
| D620556 | Hillhouse et al. | Jul 2010 | S |
| D677754 | Pierog et al. | Mar 2013 | S |
| 20060208212 | Hannewald | Sep 2006 | A1 |
| 20060214128 | Horner et al. | Sep 2006 | A1 |
| Entry |
|---|
| http://www.stonel.com/newpages/products/valve/quartz/quartz/htm; Quartz Overview, copyright 2006 StoneL USA. |