having one or more probe electrodes

Industry

  • CPC
  • H01J17/42
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Patents Grantslast 30 patents

  • Information Patent Grant

    3388278

    • Patent number 3,388,278
    • Issue date Jun 11, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3035204

    • Patent number 3,035,204
    • Issue date May 15, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2926278

    • Patent number 2,926,278
    • Issue date Feb 23, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2212921

    • Patent number 2,212,921
    • Issue date Aug 27, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2212643

    • Patent number 2,212,643
    • Issue date Aug 27, 1940
    • H01 - BASIC ELECTRIC ELEMENTS