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Automatic oil additive injector
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Patent number 5,327,861
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Issue date Jul 12, 1994
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Navistar International Transportation Corp.
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Ronald J. Rogalla
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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High pressure flex fitting
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Patent number 5,310,227
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Issue date May 10, 1994
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Navistar International Transportation Corp.
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James J. Grinsteiner
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Double seal thermostat
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Patent number 4,856,711
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Issue date Aug 15, 1989
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Navistar International Transportation Corp.
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James J. Grinsteiner
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G05 - CONTROLLING REGULATING
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Double seal thermostat
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Patent number 4,776,513
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Issue date Oct 11, 1988
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Navistar International Transportation Corp.
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James J. Grinsteiner
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G05 - CONTROLLING REGULATING
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Valve lever with ball bearing pivot
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Patent number 4,763,616
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Issue date Aug 16, 1988
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Navistar International Transportation Corp.
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James J. Grinsteiner
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Thermostat with bypass valve
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Patent number 4,653,688
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Issue date Mar 31, 1987
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Navistar International Corporation
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James J. Grinsteiner
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G05 - CONTROLLING REGULATING