4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. Including a radiant energy responsive gas discharge device

Herbert W. McCord

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Multitone signaling device

Communications: electrical – Audible indication – Ultrasonic pest control
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Sensor for a ground fault circuit interrupter

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Smoke detector having unipolar ionization chamber

Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
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Profile ID: LFUS-PAI-P-693971

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