| Number | Name | Date | Kind |
|---|---|---|---|
| 1949114 | Darrach | Feb 1934 | A |
| 2244427 | Miller | Jun 1941 | A |
| 3960352 | Plattner et al. | Jun 1976 | A |
| 4747570 | Takahashi | May 1988 | A |
| 5026016 | Lisowski | Jun 1991 | A |
| D329192 | Susac | Sep 1992 | S |
| 5433416 | Johnson | Jul 1995 | A |
| D380219 | Kinnard | Jun 1997 | S |
| D387762 | Mandel | Dec 1997 | S |
| D397984 | Pingel et al. | Sep 1998 | S |
| 6119878 | Zen | Sep 2000 | A |
| 6409475 | Ho | Jun 2002 | B1 |
| 6519144 | Henrie et al. | Feb 2003 | B1 |
| 6554238 | Hibberd | Apr 2003 | B1 |
| 6637707 | Gates et al. | Oct 2003 | B1 |
| 6702604 | Moscovitch | Mar 2004 | B1 |
| D492187 | Mottini | Jun 2004 | S |
| 6758454 | Smed | Jul 2004 | B2 |
| 7066435 | Oddsen, Jr. et al. | Jun 2006 | B2 |
| 7172164 | Fuelling et al. | Feb 2007 | B2 |
| 7270309 | Burns et al. | Sep 2007 | B2 |
| 7594823 | Moscovitch | Sep 2009 | B2 |
| 7673838 | Oddsen, Jr. et al. | Mar 2010 | B2 |
| 20070170330 | Yeh et al. | Jul 2007 | A1 |
| 20070294905 | Whittenburg | Dec 2007 | A1 |
| Number | Date | Country |
|---|---|---|
| 2277675 | Nov 1994 | GB |