The broken lines in the drawings represent unclaimed environmental subject matter.
The broken lines in the drawings represent unclaimed environmental subject matter.
| Number | Name | Date | Kind |
|---|---|---|---|
| 4613311 | Wood | Sep 1986 | A |
| 4860757 | Lynch et al. | Aug 1989 | A |
| 5125906 | Fleck | Jun 1992 | A |
| 5366444 | Martin | Nov 1994 | A |
| 5484419 | Fleck | Jan 1996 | A |
| 5507300 | Mukai et al. | Apr 1996 | A |
| 5609311 | Palm | Mar 1997 | A |
| 5730150 | Peppel et al. | Mar 1998 | A |
| 5797858 | Rourke | Aug 1998 | A |
| 5827202 | Miraki et al. | Oct 1998 | A |
| 5843002 | Pecor et al. | Dec 1998 | A |
| 6273373 | Baumoel | Aug 2001 | B1 |
| 6477402 | Lynch et al. | Nov 2002 | B1 |
| 6592083 | Hobson et al. | Jul 2003 | B1 |
| 7191900 | Opie et al. | Mar 2007 | B2 |
| 7284731 | Johnson et al. | Oct 2007 | B1 |
| 7357787 | Moss | Apr 2008 | B2 |
| 7494010 | Opie et al. | Feb 2009 | B2 |
| 20070043307 | Raulerson et al. | Feb 2007 | A1 |
| Number | Date | Country |
|---|---|---|
| 0 587 984 | Sep 1997 | EP |
| 19820257 | Mar 1987 | FI |