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Chain reel for tillage implement
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Patent number 7,594,546
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Issue date Sep 29, 2009
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Krause Corporation
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Thomas W. Ankenman
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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One-pass primary tillage machine
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Patent number 7,017,675
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Issue date Mar 28, 2006
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Krause Plow Corporation, Inc.
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Thomas W. Ankenman
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Scraper assembly
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Patent number 4,330,041
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Issue date May 18, 1982
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Krause Plow Corporation
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Thomas W. Ankenman
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING