| Number | Name | Date | Kind |
|---|---|---|---|
| 1481038 | Stephenson | Jan 1924 | A |
| 1962971 | Francis | Jun 1934 | A |
| 2080208 | Illch | May 1937 | A |
| D257440 | Warner | Oct 1980 | S |
| D273132 | Moloff | Mar 1984 | S |
| D357952 | Chen | May 1995 | S |
| D361132 | Lee | Aug 1995 | S |
| D376650 | Kain | Dec 1996 | S |
| D426311 | Horowitz et al. | Jun 2000 | S |
| D454959 | Harris et al. | Mar 2002 | S |
| D476087 | Dirks et al. | Jun 2003 | S |
| D495423 | Nan | Aug 2004 | S |
| D495424 | Nan | Aug 2004 | S |
| D495804 | Nan | Sep 2004 | S |
| D499811 | Nan | Dec 2004 | S |
| D509301 | Talbot et al. | Sep 2005 | S |
| D523562 | Telford | Jun 2006 | S |
| D539432 | Nan | Mar 2007 | S |
| D563557 | Fink | Mar 2008 | S |
| D567951 | Fink | Apr 2008 | S |
| D567952 | Fink | Apr 2008 | S |
| D567953 | Fink | Apr 2008 | S |
| D567954 | Fink | Apr 2008 | S |
| D567955 | Fink | Apr 2008 | S |
| D573262 | Soucy | Jul 2008 | S |
| D598562 | Chen | Aug 2009 | S |
| D620601 | TerMeer | Jul 2010 | S |
| D630761 | Marshall | Jan 2011 | S |
| D631973 | Imboden et al. | Feb 2011 | S |
| D631974 | Imboden et al. | Feb 2011 | S |
| D643540 | Jian et al. | Aug 2011 | S |