| Number | Name | Date | Kind |
|---|---|---|---|
| 896646 | Litsch | Aug 1908 | A |
| 2177187 | Olsen | Oct 1939 | A |
| 2339841 | Deuchler et al. | Jan 1944 | A |
| 3969863 | Alderman | Jul 1976 | A |
| 4011639 | Koleske | Mar 1977 | A |
| 4047346 | Alderman | Sep 1977 | A |
| 4069636 | Kessler | Jan 1978 | A |
| 4075806 | Alderman | Feb 1978 | A |
| 4075807 | Alderman | Feb 1978 | A |
| 4150465 | Gavin, Jr. | Apr 1979 | A |
| 4172345 | Alderman | Oct 1979 | A |
| 4318260 | Siegel et al. | Mar 1982 | A |
| 4446664 | Harkins | May 1984 | A |
| 4449343 | Henningsen | May 1984 | A |
| 4573298 | Harkins | Mar 1986 | A |
| 4649689 | Everman et al. | Mar 1987 | A |
| 4688739 | Moore | Aug 1987 | A |
| 4724651 | Fligg | Feb 1988 | A |
| 4800698 | Murphy | Jan 1989 | A |
| 4875320 | Sparkes | Oct 1989 | A |
| 4884932 | Meyer | Dec 1989 | A |
| 5004100 | Smith | Apr 1991 | A |
| 5085023 | Duffy | Feb 1992 | A |
| 5119612 | Taylor et al. | Jun 1992 | A |
| 5307603 | Chiodo | May 1994 | A |
| D347857 | Coe | Jun 1994 | S |
| 5361610 | Sanders | Nov 1994 | A |
| 5442890 | Fligg | Aug 1995 | A |
| 5546723 | Jones | Aug 1996 | A |
| 5561959 | Alderman et al. | Oct 1996 | A |
| 5581966 | Fligg | Dec 1996 | A |
| D409079 | Sobczynski | May 1999 | S |
| 5901518 | Harkins | May 1999 | A |
| 5953875 | Harkins | Sep 1999 | A |
| 6247288 | Harkins | Jun 2001 | B1 |
| 6282857 | Rubenacker | Sep 2001 | B1 |
| 6308489 | Romes | Oct 2001 | B1 |
| 6382569 | Schattner et al. | May 2002 | B1 |
| 6393797 | Romes | May 2002 | B1 |
| 6715256 | Fischer | Apr 2004 | B1 |
| D497102 | Kuhn | Oct 2004 | S |
| 6966103 | Gould | Nov 2005 | B2 |
| 7124482 | Kim | Oct 2006 | B2 |
| D556015 | Muchnik | Nov 2007 | S |
| D557117 | Cannaverde | Dec 2007 | S |
| D576473 | Cresswell | Sep 2008 | S |
| D586259 | Kelleghan | Feb 2009 | S |
| 20030063890 | Wu et al. | Apr 2003 | A1 |
| 20090250175 | Crostic, Jr. | Oct 2009 | A1 |
| 20100101176 | Metham | Apr 2010 | A1 |