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3409999
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Patent number 3,409,999
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Issue date Nov 12, 1968
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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1736980
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Patent number 1,736,980
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Issue date Nov 26, 1929
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F26 - DRYING
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1568791
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Patent number 1,568,791
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Issue date Jan 5, 1926
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F26 - DRYING
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1542884
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Patent number 1,542,884
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Issue date Jun 23, 1925
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F26 - DRYING
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1443367
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Patent number 1,443,367
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Issue date Jan 30, 1923
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F26 - DRYING
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1369411
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Patent number 1,369,411
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Issue date Feb 22, 1921
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F26 - DRYING
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1344893
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Patent number 1,344,893
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Issue date Jun 29, 1920
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F26 - DRYING
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1327486
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Patent number 1,327,486
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Issue date Jan 6, 1920
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES