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Dirt vessel equipped with cleaning plunger
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Patent number 7,272,871
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Issue date Sep 25, 2007
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Panasonic Corporation of North America
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Amy N. Mudd
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Dirt cup for vacuum cleaner
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Patent number 7,231,688
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Issue date Jun 19, 2007
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Panasonic Corporation of North America
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Amy N. Mudd
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Dirt container for cyclonic vacuum cleaner
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Patent number 7,152,275
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Issue date Dec 26, 2006
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Panasonic Corporation of North America
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J. Erik Hitzelberger
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Rotating operating handle for vacuum cleaner
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Patent number 6,941,615
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Issue date Sep 13, 2005
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Panasonic Corporation of North America
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Michael J. Shanor
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...