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Dual mode carpet cleaning method
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Patent number 7,048,805
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Issue date May 23, 2006
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Rug Doctor, L.P.
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Roger Kent
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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Dual mode carpet cleaning device
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Patent number 6,789,290
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Issue date Sep 14, 2004
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Rug Doctor, L.P.
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Roger Kent
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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Cleaning tool
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Patent number 6,568,024
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Issue date May 27, 2003
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Rug Doctor LP
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Roger Kent
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Cleaning tool
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Patent number 6,418,587
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Issue date Jul 16, 2002
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Rug Doctor, L.P.
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Roger Kent
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...