| Number | Name | Date | Kind |
|---|---|---|---|
| 5139291 | Schultz | Aug 1992 | A |
| D415671 | Schultz | Oct 1999 | S |
| 6021603 | Prete et al. | Feb 2000 | A |
| D442848 | Schultz et al. | May 2001 | S |
| D456688 | Polowinczak et al. | May 2002 | S |
| 6874826 | Polowinczak et al. | Apr 2005 | B1 |
| D514426 | Eenigenburg | Feb 2006 | S |
| D533434 | Riblett et al. | Dec 2006 | S |
| 20030205903 | Kelley et al. | Nov 2003 | A1 |
| 20070222233 | Liang et al. | Sep 2007 | A1 |
| 20070284891 | Polowinczak et al. | Dec 2007 | A1 |
| 20080012352 | Eenigenburg et al. | Jan 2008 | A1 |