TREA

George H. Heidinger

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  • Sparta, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching and testing system
    • Patent number 4,876,514
    • Issue date Oct 24, 1989
    • Peabody Coal Company
    • Vernon C. Evans
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching and testing system
    • Patent number 4,841,159
    • Issue date Jun 20, 1989
    • Peabody Coal Company
    • Vernon C. Evans
    • H03 - BASIC ELECTRONIC CIRCUITRY