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Drain systems and related methods
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Patent number 9,388,558
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Issue date Jul 12, 2016
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Michael Delmonico
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Drain systems and related methods
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Patent number 8,893,321
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Issue date Nov 25, 2014
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Michael Delmonico
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Bladder-controlled stopper device
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Patent number 6,484,329
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Issue date Nov 26, 2002
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Scott Duncan
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1627504
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Patent number 1,627,504
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Issue date May 3, 1927
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E03 - WATER SUPPLY SEWERAGE
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1604352
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Patent number 1,604,352
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Issue date Oct 26, 1926
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E03 - WATER SUPPLY SEWERAGE
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1468565
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Patent number 1,468,565
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Issue date Sep 18, 1923
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E03 - WATER SUPPLY SEWERAGE