| Number | Name | Date | Kind |
|---|---|---|---|
| D434391 | Roth et al. | Nov 2000 | S |
| D435494 | Reichard | Dec 2000 | S |
| D436932 | Roth et al. | Jan 2001 | S |
| D468273 | Reichard | Jan 2003 | S |
| D468704 | Reichard | Jan 2003 | S |
| D494547 | Smith et al. | Aug 2004 | S |
| D515483 | Culbert | Feb 2006 | S |
| D527710 | Smith et al. | Sep 2006 | S |