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3487130
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Patent number 3,487,130
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Issue date Dec 30, 1969
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Patent number 3,456,360
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Issue date Jul 22, 1969
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F26 - DRYING
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Patent number 2,695,838
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Issue date Nov 30, 1954
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Patent number 2,590,205
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Patent number 2,178,051
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent number 1,691,734
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Issue date Nov 13, 1928
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Patent number 1,674,179
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Patent number 1,580,058
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Patent number 1,567,489
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Patent number 1,501,101
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Patent number 1,487,764
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Issue date Mar 25, 1924
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