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Multi-purpose clip
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Patent number D508397
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Issue date Aug 16, 2005
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Volk Enterprises, Inc.
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Daniel J. Volk
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D08 - Tools and hardware
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Supplemental animal information tag
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Patent number 6,907,684
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Issue date Jun 21, 2005
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Volk Enterprises, Inc.
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Daniel J. Volk
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Pop-up temperature indicating device
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Patent number 5,988,102
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Issue date Nov 23, 1999
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Volk Enterprises, Inc.
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Steven John Volk
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Handle for bagged items
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Patent number 5,169,198
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Issue date Dec 8, 1992
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Volk Investment Co.
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Donald J. Volk
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL