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Steam venting extruder feeder
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Patent number 4,892,471
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Issue date Jan 9, 1990
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Frito-Lay, Inc.
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John E. Baker
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Process for treating confectionery
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Patent number 4,421,779
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Issue date Dec 20, 1983
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Frito-Lay, Inc.
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John E. Baker
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES