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Single facer preheater
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Patent number 6,050,316
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Issue date Apr 18, 2000
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United Container Machinery, Inc.
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Joseph L. Finke
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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Single facer having an auxiliary nip
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Patent number 5,951,817
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Issue date Sep 14, 1999
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United Container Machinery, Inc.
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Charles E. Thomas
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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Corrugator roll
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Patent number 4,154,565
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Issue date May 15, 1979
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Koppers Company, Inc.
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Glenn F. Hyde
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C21 - METALLURGY OF IRON
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Process control system for corrugators
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Patent number 3,981,758
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Issue date Sep 21, 1976
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Koppers Company, Inc.
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William Stansbury Thayer
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD