David K. Farmer

Person

  • Niles, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Curtain valve arrangement

    • Patent number 4,867,202
    • Issue date Sep 19, 1989
    • Cargo Walker, Inc.
    • David K. Farmer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...