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Air flow modification in vacuum cleaners
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Patent number 6,785,932
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Issue date Sep 7, 2004
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Black & Decker Inc.
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Daniel Bone
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Dual filter vacuum cleaner apparatus
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Patent number 6,546,592
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Issue date Apr 15, 2003
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Black & Decker Inc.
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Eric Cockburn
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Hand-held vacuum cleaner
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Patent number 5,966,774
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Issue date Oct 19, 1999
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Black & Decker, Inc.
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Daniel Bone
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...