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Pivotal edge cleaning brushes for vacuum cleaner
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Patent number 6,421,874
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Issue date Jul 23, 2002
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Matsushita Electric Corporation of America
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Michael J. McCormick
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Vacuum cleaner with dual agitator windows
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Patent number 6,289,552
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Issue date Sep 18, 2001
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Matsushita Electric Corporation of America
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Michael J. McCormick
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Easy maintenance vacuum cleaner
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Patent number 6,226,832
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Issue date May 8, 2001
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Matsushita Home Appliance Corporation of America
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Michael J. McCormick
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Vacuum cleaner with dust bag retention flaps
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Patent number 6,151,751
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Issue date Nov 28, 2000
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Matsushita Electric Corporation of America
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Michael J. McCormick
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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