Kevin E. Neff

Person

  • Ravenna, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Geothermal drilling device and method

    • Patent number 8,307,530
    • Issue date Nov 13, 2012
    • Geothermal Professionals ltd
    • Kevin E. Neff
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING