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3605995
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Patent number 3,605,995
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Issue date Sep 20, 1971
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3549000
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Patent number 3,549,000
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Issue date Dec 22, 1970
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3548926
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Patent number 3,548,926
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Issue date Dec 22, 1970
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F28 - HEAT EXCHANGE IN GENERAL
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3457989
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Patent number 3,457,989
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Issue date Jul 29, 1969
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3452864
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Patent number 3,452,864
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Issue date Jul 1, 1969
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3288077
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Patent number 3,288,077
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Issue date Nov 29, 1966
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3198582
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Patent number 3,198,582
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Issue date Aug 3, 1965
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3170566
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Patent number 3,170,566
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Issue date Feb 23, 1965
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3142589
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Patent number 3,142,589
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Issue date Jul 28, 1964
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2869715
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Patent number 2,869,715
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Issue date Jan 20, 1959
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2778482
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Patent number 2,778,482
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2693873
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2134365
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Patent number 2,134,365
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1468379
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Issue date Sep 18, 1923
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL