| Number | Name | Date | Kind |
|---|---|---|---|
| 2685962 | Druth | Aug 1954 | A |
| 2868390 | McCrone | Jan 1959 | A |
| 3021958 | Winkler | Feb 1962 | A |
| 4296959 | Helbig | Oct 1981 | A |
| D264904 | Helbig | Jun 1982 | S |
| 4415093 | Livingston | Nov 1983 | A |
| 4824156 | Greene | Apr 1989 | A |
| 5139298 | Dowell | Aug 1992 | A |
| D383910 | Maxwell | Sep 1997 | S |
| 5868369 | Montgomery | Feb 1999 | A |
| D414967 | Richter | Oct 1999 | S |
| 6223915 | Waner | May 2001 | B1 |
| 6273376 | Montgomery | Aug 2001 | B1 |
| D478499 | Winig et al. | Aug 2003 | S |
| D533362 | Giampavolo | Dec 2006 | S |
| D535111 | Giampavolo | Jan 2007 | S |
| D536539 | Chen | Feb 2007 | S |
| D581682 | Madlinger | Dec 2008 | S |
| 20090139945 | Jacobson | Jun 2009 | A1 |
| Number | Date | Country |
|---|---|---|
| 9038387 | Feb 1997 | JP |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 12246108 | Oct 2008 | US |
| Child | 29325779 | US |