TREA

Russell D. Merkel

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  • Coal City, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Router bit
    • Patent number 4,249,326
    • Issue date Feb 10, 1981
    • Caterpillar Tractor Co.
    • Russell D. Merkel
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Router bit assembly for an earth working apparatus
    • Patent number 4,208,817
    • Issue date Jun 24, 1980
    • Caterpillar Tractor Co.
    • Russell D. Merkel
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cutting edge assembly for earthworking devices
    • Patent number 4,108,250
    • Issue date Aug 22, 1978
    • Caterpillar Tractor Co.
    • Russell D. Merkel
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pin remover and installer
    • Patent number 3,967,361
    • Issue date Jul 6, 1976
    • Caterpillar Tractor Co.
    • Russell Dwane Merkel
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING