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Automatic control of extrusion rate
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Patent number 4,237,082
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Issue date Dec 2, 1980
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Phillips Petroleum Company
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Ronald J. LaSpisa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Automatic control of extrusion
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Patent number 4,168,290
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Issue date Sep 18, 1979
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Phillips Petroleum Co.
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Richard F. Giles
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Automatic control of extrusion rate
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Patent number 4,120,630
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Issue date Oct 17, 1978
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Phillips Petroleum Company
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Ronald J. LaSpisa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Automatic control of extrusion
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Patent number 4,088,430
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Issue date May 9, 1978
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Phillips Petroleum Company
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Richard F. Giles
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Gain-adaptive process control
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Patent number 4,054,780
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Issue date Oct 18, 1977
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Phillips Petroleum Company
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Thomas M. Bartley
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G05 - CONTROLLING REGULATING