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Method of making a tire retreading envelope
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Patent number 4,836,877
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Issue date Jun 6, 1989
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Robbins Tire and Rubber Company, Inc.
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Thad A. Perdue
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method of manufacturing radial tires
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Patent number 4,474,633
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Issue date Oct 2, 1984
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The Goodyear Tire & Rubber Company
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George T. Watts
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3847631
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Patent number 3,847,631
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Issue date Nov 12, 1974
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3839123
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Patent number 3,839,123
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Issue date Oct 1, 1974
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2944290
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Patent number 2,944,290
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Issue date Jul 12, 1960
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL