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Flexible material folding apparatus
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Patent number 4,857,039
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Issue date Aug 15, 1989
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Mobil Oil Corporation
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Paul V. Osborn
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Plastic film air table conveyor
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Patent number 4,819,928
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Issue date Apr 11, 1989
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Mobil Oil Corporation
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Paul V. Osborn
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Oven-heated hot wheel sealing apparatus
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Patent number 4,808,150
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Issue date Feb 28, 1989
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Mobil Oil Corporation
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Fox J. Herrington
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL