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Container with internally emitted audio
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Patent number 8,866,630
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Issue date Oct 21, 2014
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Hallmark Cards, Incorporated
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Timothy J. Lien
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Container with internally emitted audio
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Patent number 8,558,715
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Issue date Oct 15, 2013
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Hallmark Cards, Incorporated
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Timothy J. Lien
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Web tension control apparatus and method
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Patent number 6,168,108
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Issue date Jan 2, 2001
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Hallmark Cards, Incorporated
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Robert E. Morley
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL