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3357440
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Patent number 3,357,440
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Issue date Dec 12, 1967
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2655164
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Patent number 2,655,164
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Issue date Oct 13, 1953
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2655163
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Patent number 2,655,163
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Issue date Oct 13, 1953
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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933591
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Patent number 933,591
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Issue date Sep 7, 1909
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE