Fred J. Luthe

Person

  • Marshalltown, IA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Control valve trim assembly

    • Patent number 4,108,210
    • Issue date Aug 22, 1978
    • Fisher Controls Company
    • Fred J. Luthe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...