| Number | Name | Date | Kind |
|---|---|---|---|
| 3973561 | Kane | Aug 1976 | A |
| 4682371 | Heltman | Jul 1987 | A |
| D311409 | Goffman | Oct 1990 | S |
| 4969472 | Langley et al. | Nov 1990 | A |
| 5927279 | Oviatt | Jul 1999 | A |
| D421124 | Yavitz | Feb 2000 | S |
| D440660 | Sternberg | Apr 2001 | S |
| D466610 | Ashton et al. | Dec 2002 | S |
| RE39896 | Arnold et al. | Oct 2007 | E |
| 7584754 | Pellegrini et al. | Sep 2009 | B1 |
| D639441 | Sferle | Jun 2011 | S |
| 20110034849 | Cooks | Feb 2011 | A1 |