TREA

John B. Lenertz

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  • Chaska, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Quick attachment device
    • Patent number 4,548,543
    • Issue date Oct 22, 1985
    • Farmhand, Inc.
    • John B. Lenertz
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Quick attachment carrier assembly
    • Patent number 4,436,477
    • Issue date Mar 13, 1984
    • Farmhand, Inc.
    • John B. Lenertz
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Parking stand
    • Patent number 4,275,984
    • Issue date Jun 30, 1981
    • Farmhand, Inc.
    • John B. Lenertz
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING