Roy I. Butler

Person

  • Kinnelon, NJ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Oil recovery apparatus and method

    • Patent number 4,051,024
    • Issue date Sep 27, 1977
    • Lowe Engineering Company
    • John G. Lowe
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING