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 |
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2578564 | Love et al. | Dec 1951 | A |
3394697 | Lewis | Jul 1968 | A |
3747585 | Coats | Jul 1973 | A |
4191161 | Kling | Mar 1980 | A |
4194490 | Crnkovic | Mar 1980 | A |
4217880 | Turner, Jr. | Aug 1980 | A |
D286322 | Catania et al. | Oct 1986 | S |
4688548 | Stoughton | Aug 1987 | A |
4770159 | Brown et al. | Sep 1988 | A |
4838781 | Fischer | Jun 1989 | A |
5263852 | Beck | Nov 1993 | A |
5392763 | Shaw et al. | Feb 1995 | A |
5399084 | McCullough et al. | Mar 1995 | A |
5664556 | Byers | Sep 1997 | A |
5722824 | Beck | Mar 1998 | A |
5794610 | Facchina | Aug 1998 | A |
5988159 | Blount | Nov 1999 | A |
6095794 | Jamieson et al. | Aug 2000 | A |
6129079 | French et al. | Oct 2000 | A |
D439652 | Schonberger et al. | Mar 2001 | S |
6269809 | Fleming | Aug 2001 | B1 |
6602068 | Atemboski et al. | Aug 2003 | B2 |
6736132 | Schlosser et al. | May 2004 | B2 |
6880275 | Mix et al. | Apr 2005 | B2 |
D559375 | Rumens et al. | Jan 2008 | S |
Number | Date | Country |
---|---|---|
714423-0001 | Apr 2007 | EM |
714423-0002 | Apr 2007 | EM |
409371 | Jan 1991 | EP |
2182131 | May 1987 | GB |