Roger L. Kellogg

Person

  • Newark, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Control apparatus

    • Patent number 5,752,578
    • Issue date May 19, 1998
    • Caterpillar Inc.
    • Roger L. Kellogg
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING