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Drying oven
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Patent number 4,092,100
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Issue date May 30, 1978
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Granco Equipment, Inc.
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William A. Phillips
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F26 - DRYING
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Liquid or gaseous fuel fired burner
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Patent number 4,060,371
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Issue date Nov 29, 1977
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Granco Equipment, Inc.
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Charles B. Gentry
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Industrial heating
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Patent number 4,022,571
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Issue date May 10, 1977
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AGM Industries, Inc.
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Charles B. Gentry
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F27 - FURNACES KILNS OVENS RETORTS
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