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Stake fastener for animal trap
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Patent number 4,458,394
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Issue date Jul 10, 1984
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Daryl A. Schultz
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Drilling bit bearings
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Patent number 4,437,774
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Issue date Mar 20, 1984
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Daryl A. Schultz
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E21 - EARTH DRILLING MINING
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Hog lot gate
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Patent number 4,300,752
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Issue date Nov 17, 1981
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Daryl A. Schultz
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E04 - BUILDING
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Animal trap and trigger mechanism
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Patent number 4,270,300
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Issue date Jun 2, 1981
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Daryl A. Schultz
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING