by changing the conductivity of the fluid

Patents Grantslast 30 patents

  • Information Patent Grant

    3363120

    • Patent number 3,363,120
    • Issue date Jan 9, 1968
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1498787

    • Patent number 1,498,787
    • Issue date Jun 24, 1924
    • A44 - HABERDASHERY JEWELLERY