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Mixing apparatus
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Patent number 4,722,608
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Issue date Feb 2, 1988
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General Signal Corp.
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Ronald N. Salzman
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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End connection for composite shafts
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Patent number 4,722,717
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Issue date Feb 2, 1988
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General Signal Corp.
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Ronald N. Salzman
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Mixing systems
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Patent number 4,571,090
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Issue date Feb 18, 1986
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General Signal Corp.
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Ronald J. Weetman
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL