TREA

Erwin M. Jankowiak

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  • Sanford, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for stabilizing soil
    • Patent number 4,168,593
    • Issue date Sep 25, 1979
    • The Dow Chemical Company
    • Erwin M. Jankowiak
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Method for controlling soil erosion
    • Patent number 4,071,400
    • Issue date Jan 31, 1978
    • The Dow Chemical Company
    • Erwin M. Jankowiak
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING