| Number | Name | Date | Kind |
|---|---|---|---|
| 3447715 | Beney | Jun 1969 | A |
| 4499998 | Carlson | Feb 1985 | A |
| D302774 | Murphy | Aug 1989 | S |
| 5040834 | Kahl et al. | Aug 1991 | A |
| D326345 | Mandell et al. | May 1992 | S |
| D351284 | Kruger | Oct 1994 | S |
| D357120 | Miller | Apr 1995 | S |
| D363604 | Koenig et al. | Oct 1995 | S |
| D367760 | Zimmerman | Mar 1996 | S |
| D370346 | Zimmerman | Jun 1996 | S |
| D372123 | Kobilarcik et al. | Jul 1996 | S |
| D375836 | Conti | Nov 1996 | S |
| D378552 | Lippisch | Mar 1997 | S |
| D384204 | Lippisch | Sep 1997 | S |
| D398151 | Ahern, Jr. | Sep 1998 | S |
| 5904269 | Wolff | May 1999 | A |
| D420219 | Elvin-Jensen et al. | Feb 2000 | S |
| D420799 | Douglas et al. | Feb 2000 | S |
| D421183 | Koskinen | Feb 2000 | S |
| D427769 | Zimmerman | Jul 2000 | S |
| D427770 | Conti | Jul 2000 | S |
| D429464 | Helms | Aug 2000 | S |
| D431362 | Conti | Oct 2000 | S |
| D439406 | Zimmerman | Mar 2001 | S |
| D466299 | Zimmerman | Dec 2002 | S |
| 6874650 | Welsh et al. | Apr 2005 | B2 |
| D549454 | â„«hman | Aug 2007 | S |
| D564229 | Splain et al. | Mar 2008 | S |
| D572903 | McNamara et al. | Jul 2008 | S |