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2241737
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Patent number 2,241,737
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Issue date May 13, 1941
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1799751
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Patent number 1,799,751
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Issue date Apr 7, 1931
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1791362
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Patent number 1,791,362
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Issue date Feb 3, 1931
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1776736
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Patent number 1,776,736
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Issue date Sep 23, 1930
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING