TREA

Charles J. Barker

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  • Rochester, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust gas recirculation valve assembly
    • Patent number 5,022,431
    • Issue date Jun 11, 1991
    • General Motors Corporation
    • Thaddeus J. Grey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust gas recirculation valve assembly
    • Patent number 4,998,707
    • Issue date Mar 12, 1991
    • General Motors Corporation
    • Karen M. Meyer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS