| Number | Name | Date | Kind |
|---|---|---|---|
| 1630140 | Sibbald | May 1927 | A |
| 2944696 | Effgen | Jul 1960 | A |
| 3448914 | Scholz | Jun 1969 | A |
| D260603 | O'Donnal | Sep 1981 | S |
| D278255 | Evenson | Apr 1985 | S |
| D309971 | Quong | Aug 1990 | S |
| D360529 | Balzen | Jul 1995 | S |
| D380961 | Schnack | Jul 1997 | S |
| 5753456 | Naqui et al. | May 1998 | A |
| D422141 | Dembicks | Apr 2000 | S |
| D424807 | Dembicks | May 2000 | S |
| D431110 | Dembicks | Sep 2000 | S |
| D448249 | DeCastro et al. | Sep 2001 | S |
| D450186 | Dembicks | Nov 2001 | S |
| D452376 | Dembicks | Dec 2001 | S |
| D467080 | Zimmerman | Dec 2002 | S |
| D478210 | Dembicks | Aug 2003 | S |
| D487971 | Bergeron et al. | Apr 2004 | S |
| D492484 | Lin | Jul 2004 | S |
| D508774 | McAndrew | Aug 2005 | S |
| D598920 | Fujino et al. | Aug 2009 | S |
| D621548 | Chen | Aug 2010 | S |