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Carafe-operated coffee brewing system
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Patent number 4,872,402
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Issue date Oct 10, 1989
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Black & Decker Corporation
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Paul D. Johnson
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Intelligent coffee brewing system
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Patent number 4,833,978
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Issue date May 30, 1989
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Black & Decker, Inc.
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Louis C. Martone
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Calcification indicator
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Patent number 4,827,837
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Issue date May 9, 1989
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Black & Decker, Inc.
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Paul D. Johnson
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...