| Number | Name | Date | Kind |
|---|---|---|---|
| D237452 | Hall et al. | Nov 1975 | S |
| D338607 | Anderson | Aug 1993 | S |
| D400412 | Gold | Nov 1998 | S |
| D422185 | Gold | Apr 2000 | S |
| D455057 | Medhurst | Apr 2002 | S |
| D555443 | Hunt | Nov 2007 | S |
| D568126 | Allem | May 2008 | S |
| D582229 | Johnson | Dec 2008 | S |
| 20070157476 | Hunt | Jul 2007 | A1 |
| 20080256808 | Levine et al. | Oct 2008 | A1 |