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Pipe tee
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Patent number 4,504,086
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Issue date Mar 12, 1985
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Phillips Petroleum Company
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Guy E. Carrow
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Mold apparatus
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Patent number 4,129,282
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Issue date Dec 12, 1978
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Phillips Petroleum Company
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John N. Scott
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Molded plastic article
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Patent number 4,076,282
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Issue date Feb 28, 1978
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Phillips Petroleum Company
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John N. Scott
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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