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3680638
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3520371
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Patent number 3,520,371
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Issue date Jul 14, 1970
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3520370
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Patent number 3,520,370
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Issue date Jul 14, 1970
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3483928
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Patent number 3,483,928
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Issue date Dec 16, 1969
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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2346405
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Patent number 2,346,405
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Issue date Apr 11, 1944
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING