| Number | Name | Date | Kind |
|---|---|---|---|
| 2147843 | Jamar et al. | Feb 1939 | A |
| 2495400 | Williams, Jr. | Jan 1950 | A |
| 2966949 | Wepsala, Jr. | Jan 1961 | A |
| 2969122 | Steffes | Jan 1961 | A |
| RE26669 | Henderson | Sep 1969 | E |
| 3495359 | Smith | Feb 1970 | A |
| 4128136 | Generoux | Dec 1978 | A |
| 4190126 | Kabashima | Feb 1980 | A |
| 4208154 | Gundy | Jun 1980 | A |
| 4499959 | Grappendorf | Feb 1985 | A |
| 4822757 | Sadamori | Apr 1989 | A |
| 5025871 | Stewart | Jun 1991 | A |
| 5069584 | Obermeier et al. | Dec 1991 | A |
| 5316416 | Kim | May 1994 | A |
| 5628376 | Kleine | May 1997 | A |
| 5823276 | Beck, III | Oct 1998 | A |
| 5836409 | Vail, III | Nov 1998 | A |
| 5932508 | Armstrong et al. | Aug 1999 | A |
| 6595844 | Mizuno et al. | Jul 2003 | B1 |
| 7189036 | Watson | Mar 2007 | B1 |
| 7628228 | Drivdahl et al. | Dec 2009 | B2 |
| 7641004 | Lapointe | Jan 2010 | B2 |
| 20050016775 | Hiranuma et al. | Jan 2005 | A1 |
| 20070246266 | Larbo | Oct 2007 | A1 |
| 20080142262 | Drivdahl et al. | Jun 2008 | A1 |
| 20100006344 | Drivdahl | Jan 2010 | A1 |
| 20100012385 | Drivdahl | Jan 2010 | A1 |
| Number | Date | Country |
|---|---|---|
| 200192677 | Dec 2001 | WO |
| 2006004494 | Jan 2006 | WO |
| 2006076795 | Jul 2006 | WO |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 11610680 | Dec 2006 | US |
| Child | 12564779 | US |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 12638229 | Dec 2009 | US |
| Child | 29354579 | US | |
| Parent | 12564779 | Sep 2009 | US |
| Child | 12638229 | US |