4. Electricity: magnetically operated switches, magnets, and electr
  5. Electromagnetically actuated switches
  6. Utilizing conductive liquid

F. William Hopwood

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Antenna system using time delays with mercury wetted switches

Communications: radio wave antennas – Antennas – Switching between antennas and lines
Reexamination Certificate

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Mercury wetted switch

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Utilizing conductive liquid
Patent

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Profile ID: LFUS-PAI-P-629982

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