| Number | Name | Date | Kind |
|---|---|---|---|
| 3964639 | Norris et al. | Jun 1976 | A |
| 4002266 | Beebe | Jan 1977 | A |
| 4392439 | Herriau | Jul 1983 | A |
| 4393791 | Suderman | Jul 1983 | A |
| 4473016 | Gust | Sep 1984 | A |
| 4493273 | Gauchet et al. | Jan 1985 | A |
| 4611545 | Nickeson et al. | Sep 1986 | A |
| 4685843 | Kelm | Aug 1987 | A |
| 4899672 | Paul | Feb 1990 | A |
| 4911090 | Schimke | Mar 1990 | A |
| 4915258 | Olson | Apr 1990 | A |
| 5288111 | Storf et al. | Feb 1994 | A |
| 5392722 | Snipes et al. | Feb 1995 | A |
| 5522328 | Long | Jun 1996 | A |
| 5619939 | Herman et al. | Apr 1997 | A |
| 5917065 | Halldin et al. | Jun 1999 | A |
| 5974988 | Stufflebeam et al. | Nov 1999 | A |
| 5980163 | Gregor et al. | Nov 1999 | A |
| 6109193 | Crabb et al. | Aug 2000 | A |
| 6109837 | Mausy | Aug 2000 | A |
| 6209466 | Wodrich | Apr 2001 | B1 |
| 6267067 | Mayerle et al. | Jul 2001 | B1 |
| 6283050 | Schaffert | Sep 2001 | B1 |
| 6289830 | Mayerle et al. | Sep 2001 | B2 |
| 6296425 | Memory et al. | Oct 2001 | B1 |
| 6332413 | Stufflebeanm et al. | Dec 2001 | B1 |
| 6367396 | Meyer | Apr 2002 | B1 |
| 6374759 | Crabb et al. | Apr 2002 | B1 |
| 6401638 | Crabb et al. | Jun 2002 | B1 |
| 6499413 | Kleinknecht et al. | Dec 2002 | B2 |
| 6505569 | Richard | Jan 2003 | B1 |
| 6564730 | Crabb et al. | May 2003 | B2 |
| 6581534 | Meyer | Jun 2003 | B2 |
| 6739272 | Crabb et al. | May 2004 | B2 |
| 6776108 | Crabb et al. | Aug 2004 | B2 |
| D502848 | Bergmeier | Mar 2005 | S |
| 6951354 | Paulson | Oct 2005 | B1 |
| 7216596 | Jones | May 2007 | B2 |
| 7426894 | Peterson et al. | Sep 2008 | B2 |
| 7490565 | Holly | Feb 2009 | B2 |
| 7509915 | Memory | Mar 2009 | B2 |
| 7814849 | McOmber | Oct 2010 | B1 |
| 7854205 | Beaujot | Dec 2010 | B2 |
| 20020100400 | Meyer | Aug 2002 | A1 |
| 20020144637 | Wendling et al. | Oct 2002 | A1 |
| 20050072344 | Kester | Apr 2005 | A1 |
| 20060162632 | Bourgault | Jul 2006 | A1 |
| 20080121154 | Memory | May 2008 | A1 |
| 20080264313 | Sauder et al. | Oct 2008 | A1 |
| 20080295751 | Shoup et al. | Dec 2008 | A1 |
| 20100107945 | Beaujot | May 2010 | A1 |
| 20110155030 | Goldman et al. | Jun 2011 | A1 |
| 20110170962 | Watson et al. | Jul 2011 | A1 |
| Number | Date | Country |
|---|---|---|
| 4624885 | Feb 1986 | AU |
| 1937192 | Jan 1993 | AU |
| 2 465 044 | May 2004 | CA |
| 41 06 711 | Apr 1992 | DE |
| 42 39 490 | May 1994 | DE |
| 44 19 964 | Dec 1995 | DE |
| 44 34 541 | Mar 1996 | DE |
| 0 502 308 | Sep 1992 | EP |
| 0 642 729 | Mar 1995 | EP |
| 0 763 316 | Mar 1997 | EP |
| 0 799 560 | Oct 1997 | EP |
| 1 229 027 | Sep 1960 | FR |
| 2 233 807 | Jun 1973 | FR |
| 2 107 616 | May 1983 | GB |
| 2003-001144 | Jan 2003 | JP |
| 2005-117913 | May 2005 | JP |
| WO 9528230 | Oct 1995 | WO |
| WO 9532057 | May 1997 | WO |
| WO 2005117564 | Dec 2005 | WO |
| WO 2009054999 | Apr 2009 | WO |