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John G. Henne

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  • Saginaw, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary hydraulic vane pump with undervane passages for priming
    • Patent number 4,386,891
    • Issue date Jun 7, 1983
    • General Motors Corporation
    • Richard P. Riefel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine cooling fan
    • Patent number 3,953,149
    • Issue date Apr 27, 1976
    • General Motors Corporation
    • John G. Henne
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES