having discharge tubes

Industry

  • CPC
  • H03G9/22
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Patents Grantslast 30 patents

  • Information Patent Grant

    Preamplifier circuit configuration

    • Patent number 10,998,866
    • Issue date May 4, 2021
    • Jack Kay
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3317852

    • Patent number 3,317,852
    • Issue date May 2, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents