| Number | Name | Date | Kind |
|---|---|---|---|
| 1364863 | Buchtel | Jan 1921 | A |
| 1780980 | Newman | Nov 1930 | A |
| 2048412 | Sissman | Jul 1936 | A |
| 2501588 | Somers | Mar 1950 | A |
| 2502157 | Klejna | Mar 1950 | A |
| 2663449 | Smart | Dec 1953 | A |
| 4055892 | Del Vecchio | Nov 1977 | A |
| 4195747 | Hare | Apr 1980 | A |
| 4773320 | Stock | Sep 1988 | A |
| 4865858 | Petcavich | Sep 1989 | A |
| 5004146 | Thominet | Apr 1991 | A |
| D340614 | Kaeding | Oct 1993 | S |
| D409054 | Wirfel | May 1999 | S |
| D445633 | Bradley | Jul 2001 | S |
| 6276918 | Slaughter | Aug 2001 | B1 |
| D494408 | Hinton et al. | Aug 2004 | S |
| D586626 | Carrell | Feb 2009 | S |
| D590215 | Carrell | Apr 2009 | S |
| 7770751 | Henry | Aug 2010 | B2 |
| D630884 | Stein | Jan 2011 | S |
| D634590 | Ferguson | Mar 2011 | S |
| D664814 | Lepore | Aug 2012 | S |
| D742943 | Parker | Nov 2015 | S |
| D770244 | Repac | Nov 2016 | S |
| 9723949 | Moore | Aug 2017 | B2 |
| D801104 | Mirchandani | Oct 2017 | S |
| 20040250667 | Atwater | Dec 2004 | A1 |
| 20060272162 | Atwater | Dec 2006 | A1 |
| 20080229938 | Hutto | Sep 2008 | A1 |
| 20100043239 | Pittman | Feb 2010 | A1 |
| 20110108556 | Levie | May 2011 | A1 |
| 20150201802 | Moore | Jul 2015 | A1 |
| Number | Date | Country |
|---|---|---|
| 835370 | May 1960 | GB |
| 2073582 | Oct 1981 | GB |
| 2075824 | Nov 1981 | GB |
| WO-8902210 | Mar 1989 | WO |