| Number | Name | Date | Kind |
|---|---|---|---|
| 1675391 | Stockbridge | Jul 1928 | A |
| 2271935 | Buchanan et al. | Feb 1942 | A |
| 2896893 | Oliver | Jul 1959 | A |
| 2924420 | Fink | Feb 1960 | A |
| 3306399 | Flannelly | Feb 1967 | A |
| 3314503 | Neubert | Apr 1967 | A |
| 3574340 | Busche | Apr 1971 | A |
| 3711624 | Dulhunty | Jan 1973 | A |
| 4011929 | Jeram et al. | Mar 1977 | A |
| 4167646 | Mathieu | Sep 1979 | A |
| 4238104 | Hamilton | Dec 1980 | A |
| D269945 | Carney | Aug 1983 | S |
| D270689 | Boscacci | Sep 1983 | S |
| 4403681 | Desjardins | Sep 1983 | A |
| 4620060 | Perinetti | Oct 1986 | A |
| 4706788 | Inman et al. | Nov 1987 | A |
| 4736701 | Kondo et al. | Apr 1988 | A |
| 4836486 | Vossoughi et al. | Jun 1989 | A |
| 4863133 | Bonnell | Sep 1989 | A |
| D309562 | Boscacci et al. | Jul 1990 | S |
| 4958437 | Helms | Sep 1990 | A |
| 4964606 | Beam et al. | Oct 1990 | A |
| 4993676 | Fitts et al. | Feb 1991 | A |
| 5042162 | Helms | Aug 1991 | A |
| 5092552 | Dayton et al. | Mar 1992 | A |
| D331921 | Gutke et al. | Dec 1992 | S |
| D332562 | Fremont et al. | Jan 1993 | S |
| D345905 | Hallgren | Apr 1994 | S |
| D347841 | Rossman et al. | Jun 1994 | S |
| 5405117 | Davis | Apr 1995 | A |
| 5487524 | Bergetz | Jan 1996 | A |
| D367421 | Powers | Feb 1996 | S |
| 5549282 | Ikeda | Aug 1996 | A |
| 5564536 | Lai | Oct 1996 | A |
| D377897 | Vogels | Feb 1997 | S |
| D389334 | Attridge | Jan 1998 | S |
| 5735257 | Walk | Apr 1998 | A |
| 6070850 | Lehman | Jun 2000 | A |
| 6134964 | Jaenker et al. | Oct 2000 | A |
| D435852 | Oddsen, Jr. | Jan 2001 | S |
| 6409134 | Oddsen, Jr. | Jun 2002 | B1 |
| 6409139 | Du Pree | Jun 2002 | B1 |
| 6443412 | Kuhn | Sep 2002 | B1 |
| 6508343 | Misaji et al. | Jan 2003 | B2 |
| 6695270 | Smed | Feb 2004 | B1 |
| D493800 | Pfister et al. | Aug 2004 | S |
| D495714 | Pfister | Sep 2004 | S |
| D496367 | Pfister | Sep 2004 | S |
| 6857610 | Conner et al. | Feb 2005 | B1 |
| 6874743 | Watanabe et al. | Apr 2005 | B2 |
| D507477 | Pfister | Jul 2005 | S |
| 6962314 | Hsu | Nov 2005 | B2 |
| 7028961 | Dittmer et al. | Apr 2006 | B1 |
| D520017 | van Kuijk et al. | May 2006 | S |
| D521850 | Richter et al. | May 2006 | S |
| 7191997 | Bremmon et al. | Mar 2007 | B2 |
| D549063 | Pribyl et al. | Aug 2007 | S |
| D560671 | Muday et al. | Jan 2008 | S |
| 7320454 | Lee et al. | Jan 2008 | B2 |
| D561775 | Wohlford et al. | Feb 2008 | S |
| D563962 | Grey | Mar 2008 | S |
| 20040159757 | Pfister | Aug 2004 | A1 |
| 20080011927 | Park | Jan 2008 | A1 |