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Dual tank fuel system
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Patent number 5,983,932
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Issue date Nov 16, 1999
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General Motors Corporation
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Richard William Wagner
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B60 - VEHICLES IN GENERAL
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Electronically variable pressure control
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Patent number 5,967,119
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Issue date Oct 19, 1999
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General Motors Corporation
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James Frank Burkhard
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Catalytic converter heater
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Patent number 5,571,484
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Issue date Nov 5, 1996
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General Motors Corporation
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William H. Pettit
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Exhaust heating control
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Patent number 5,353,591
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Issue date Oct 11, 1994
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General Motors Corporation
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Daniel F. Kabasin
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES