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Joseph M. Kotzan

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  • Pontiac, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air injection system diagnostic
    • Patent number 5,113,651
    • Issue date May 19, 1992
    • General Motors Corporation
    • Joseph M. Kotzan
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vehicle engine fuel system diagnostics
    • Patent number 5,094,214
    • Issue date Mar 10, 1992
    • General Motors Corporation
    • Joseph M. Kotzan
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Idle air control apparatus for internal combustion engine
    • Patent number 4,337,742
    • Issue date Jul 6, 1982
    • General Motors Corporation
    • Clifford R. Carlson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS