TREA

Ralph Franklin Walworth

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  • St. Petersburg, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-speed hydraulic drive torque converter
    • Patent number 4,116,003
    • Issue date Sep 26, 1978
    • Ralph Franklin Walworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Trans-clutch torque converter
    • Patent number 3,968,651
    • Issue date Jul 13, 1976
    • Ralph Franklin Walworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...