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Cleaner with belt shifting
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Patent number 4,748,714
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Issue date Jun 7, 1988
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The Hoover Company
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Donald B. Tschudy
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Upper fill tube configuration
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Patent number 4,720,887
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Issue date Jan 26, 1988
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The Hoover Company
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Nick M. Bosyj
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Power transmission for a cleaner
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Patent number 4,434,865
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Issue date Mar 6, 1984
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The Hoover Company
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Donald B. Tschudy
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Cleaner with dirt cup
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Patent number 4,405,346
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Issue date Sep 20, 1983
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The Hoover Company
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Donald B. Tschudy
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Improved agitator chamber
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Patent number 4,178,653
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Issue date Dec 18, 1979
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The Hoover Company
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Donald B. Tschudy
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Nozzle height adjustment
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Patent number 4,171,554
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Issue date Oct 23, 1979
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The Hoover Company
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Donald B. Tschudy
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Cleaner bottom plate configuration
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Patent number 4,151,628
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Issue date May 1, 1979
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The Hoover Company
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Edgar A. Maurer
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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