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Ball valve with improved vent structure
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Patent number 4,548,237
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Issue date Oct 22, 1985
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General Signal Corporation
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Thomas M. Bogenschutz
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Spread brake cylinder device
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Patent number 4,530,422
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Issue date Jul 23, 1985
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General Signal Corporation
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Thomas M. Bogenschutz
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B60 - VEHICLES IN GENERAL
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Disc brake assembly
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Patent number 4,501,346
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Issue date Feb 26, 1985
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General Signal Corporation
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Thomas M. Bogenschutz
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Cam lock slack adjuster
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Patent number 4,420,066
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Issue date Dec 13, 1983
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General Signal Corporation
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Thomas M. Bogenschutz
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B60 - VEHICLES IN GENERAL
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Brake hanger for railway brakes
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Patent number 4,406,444
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Issue date Sep 27, 1983
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General Signal Corporation
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Thomas M. Bogenschutz
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rail car brake apparatus
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Patent number 4,060,152
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Issue date Nov 29, 1977
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General Signal Corporation
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Thomas M. Bogenschutz
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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