Michael John Kieffer

Person

  • Dubuque, IA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Backhoe boom lock

    • Patent number 5,967,737
    • Issue date Oct 19, 1999
    • Deere & Company
    • Leroy Ernest Kraske
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING