| Number | Date | Country | Kind |
|---|---|---|---|
| 117837 | Oct 2006 | CA | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D63702 | Sinkins | Jan 1924 | S |
| 3258239 | Green | Jun 1966 | A |
| D209226 | Powers, Jr. | Nov 1967 | S |
| 4344112 | Brown | Aug 1982 | A |
| D399330 | Geier et al. | Oct 1998 | S |
| D400287 | Littman et al. | Oct 1998 | S |
| D459525 | Barry | Jun 2002 | S |
| 7249871 | Chen | Jul 2007 | B2 |
| D561928 | Silver | Feb 2008 | S |