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Portable feed grinder-mixer
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Patent number 4,432,499
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Issue date Feb 21, 1984
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Owatonna Manufacturing Company, Inc.
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Larry L. Henkensiefken
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Baling machine with a non-circular chamber
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Patent number 4,345,421
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Issue date Aug 24, 1982
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Owatonna Manufacturing Company, Inc.
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Terry R. Schwalenberg
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Tractor pulled crop harvester
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Patent number 4,037,395
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Issue date Jul 26, 1977
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Owatonna Manufacturing Company, Inc.
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Larry L. Henkensiefken
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING