John J. Jaeger

Person

  • St. Charles, MO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary filling and emptying valve

    • Patent number 4,830,051
    • Issue date May 16, 1989
    • The United States of America as represented by the Secretary of the Army
    • John J. Jaeger
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING