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Purge control device
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Patent number 5,289,811
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Issue date Mar 1, 1994
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General Motors Corporation
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Charles H. Covert
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Exhaust gas recirculation valve
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Patent number 4,805,582
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Issue date Feb 21, 1989
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General Motors Corporation
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Charles W. Braun
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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-
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Fuel tank venting
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Patent number 4,724,861
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Issue date Feb 16, 1988
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General Motors Corporation
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Charles H. Covert
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B60 - VEHICLES IN GENERAL
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Fuel tank venting
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Patent number 4,706,708
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Issue date Nov 17, 1987
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General Motors Corporation
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Joseph Fornuto
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B60 - VEHICLES IN GENERAL
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Fuel vapor storage canister
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Patent number 4,683,862
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Issue date Aug 4, 1987
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General Motors Corporation
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Joseph Fornuto
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS