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Vernon M. Daffron

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  • Ellisville, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston assembly and method of manufacture
    • Patent number 7,017,914
    • Issue date Mar 28, 2006
    • Dana Corporation
    • Steven John Sytsma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual spring expander for oil control piston rings
    • Patent number 4,579,351
    • Issue date Apr 1, 1986
    • TRW Automotive Products, Inc.
    • Vernon M. Daffron
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...