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Litter box door
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Patent number D556955
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Issue date Dec 4, 2007
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Robert Hanks
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D30 - Animal husbandry
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Litter box apparatus
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Patent number 7,107,934
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Issue date Sep 19, 2006
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Robert Hanks
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Litter box apparatus
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Patent number 6,662,748
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Issue date Dec 16, 2003
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Robert Hanks
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Router jig
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Patent number 4,966,507
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Issue date Oct 30, 1990
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Robert Hanks
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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