TREA

John W. Foster

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  • Normal, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Groundwater azimuth detection
    • Patent number RE34265
    • Issue date May 25, 1993
    • Illinois State University
    • John W. Foster
    • 356 - Optics: measuring and testing
  • Information Patent Grant

    Groundwater azimuth detection
    • Patent number 4,963,019
    • Issue date Oct 16, 1990
    • Illinois State University
    • John W. Foster
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Groundwater pressure measurement
    • Patent number 4,807,201
    • Issue date Feb 21, 1989
    • Illinois State University
    • Lawrence J. Fryda
    • E21 - EARTH DRILLING MINING