| Number | Name | Date | Kind |
|---|---|---|---|
| 2830586 | Dann et al. | Apr 1958 | A |
| 2952255 | Hein, Jr. | Sep 1960 | A |
| 3149717 | Castelli | Sep 1964 | A |
| 3237815 | Ogle | Mar 1966 | A |
| 4067332 | O'Leary | Jan 1978 | A |
| D262739 | Nitshke | Jan 1982 | S |
| 4708270 | Ruesch | Nov 1987 | A |
| D294640 | Wicken et al. | Mar 1988 | S |
| D302206 | McAlister et al. | Jul 1989 | S |
| D306069 | Kelly et al. | Feb 1990 | S |
| D321759 | Buswell et al. | Nov 1991 | S |
| D338957 | de Faire et al. | Aug 1993 | S |
| 5509903 | Grendahl et al. | Apr 1996 | A |
| D401324 | Hjertman et al. | Nov 1998 | S |
| D429812 | Hjertman et al. | Aug 2000 | S |
| D431864 | Jansen | Oct 2000 | S |
| D447797 | Odell et al. | Sep 2001 | S |
| D447799 | Jun | Sep 2001 | S |
| D543278 | Numata et al. | May 2007 | S |
| D558340 | Hochman et al. | Dec 2007 | S |
| D581048 | Kawamura | Nov 2008 | S |
| D584407 | Kawamura | Jan 2009 | S |
| D588693 | Strong et al. | Mar 2009 | S |
| D608000 | Kawamura | Jan 2010 | S |
| D649242 | Kosinski et al. | Nov 2011 | S |
| D657462 | Siroky | Apr 2012 | S |
| 20050029306 | Brennan | Feb 2005 | A1 |
| 20060089594 | Landau | Apr 2006 | A1 |
| 20070000951 | Springhorn | Jan 2007 | A1 |
| Number | Date | Country |
|---|---|---|
| 2020254 | Nov 1979 | GB |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29326873 | Oct 2008 | US |
| Child | 29367355 | US | |
| Parent | 29280974 | Jun 2007 | US |
| Child | 29326873 | US |