The broken line showing of a cleaning device in
The broken line showing of a cleaning device in
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4856136 | Janssen | Aug 1989 | A |
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5887310 | Wright | Mar 1999 | A |
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D496511 | Colburn et al. | Sep 2004 | S |
D511872 | Vitantonio et al. | Nov 2005 | S |
6981293 | Steinberg | Jan 2006 | B2 |
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7966687 | Rahbar-Dehghan | Jun 2011 | B2 |
D648911 | Brown et al. | Nov 2011 | S |
8292533 | Scott et al. | Oct 2012 | B2 |
8544135 | Scott et al. | Oct 2013 | B2 |