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Closed center power steering gear
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Patent number 5,802,949
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Issue date Sep 8, 1998
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General Motors Corporation
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Alan Crary Davis
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Rotary encoder with neutral position
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Patent number 5,491,632
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Issue date Feb 13, 1996
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General Motors Corporation
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Andrzej M. Pawlak
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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-
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Check valve in auxiliary vacuum system
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Patent number 4,711,224
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Issue date Dec 8, 1987
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General Motors Corporation
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Dennis C. Eckhardt
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Worm thread seal for steering gear
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Patent number 4,175,475
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Issue date Nov 27, 1979
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General Motors Corporation
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Dennis C. Eckhardt
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Engine secondary air control valve
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Patent number 3,942,321
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Issue date Mar 9, 1976
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General Motors Corporation
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Dennis C. Eckhardt
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS