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Stephen F. De Nagel

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  • Warren, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel injection
    • Patent number 5,730,369
    • Issue date Mar 24, 1998
    • General Motors Corporation
    • Stephen Francis De Nagel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Solenoid actuated valve assembly
    • Patent number 5,353,991
    • Issue date Oct 11, 1994
    • General Motors Corporation
    • Stephen F. De Nagel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and apparatus for closed loop fuel control
    • Patent number 4,903,669
    • Issue date Feb 27, 1990
    • General Motors Corporation
    • Edward G. Groff
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS