TREA

James P. Walber

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  • Cedar Grove, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Membrane switch
    • Patent number 4,415,781
    • Issue date Nov 15, 1983
    • W. H. Brady Co.
    • Norman J. Frame
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    RC Array
    • Patent number 4,412,209
    • Issue date Oct 25, 1983
    • W. H. Brady Co.
    • Norman J. Frame
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Capacitance switch detection circuitry
    • Patent number 4,389,583
    • Issue date Jun 21, 1983
    • W. H. Brady Co.
    • James P. Walber
    • H03 - BASIC ELECTRONIC CIRCUITRY