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Storage tank with discharge conveyor
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Patent number 9,580,238
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Issue date Feb 28, 2017
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FB Industries Inc.
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Henry Friesen
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Grain bin floor panel
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Patent number 8,646,304
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Issue date Feb 11, 2014
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Johnny Richard Friesen
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Building panel
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Patent number 4,984,406
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Issue date Jan 15, 1991
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Peter Friesen
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E04 - BUILDING
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Rotational moulding machine
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Patent number 4,943,221
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Issue date Jul 24, 1990
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Peter Friesen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Rotational molding machine
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Patent number 4,767,299
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Issue date Aug 30, 1988
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Peter Friesen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Rotational arm for molding machine
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Patent number 4,695,244
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Issue date Sep 22, 1987
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Peter Friesen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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