4. Electricity: circuit makers and breakers
  5. Interlocking
  6. Between plural switches

John J. Dennison

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Electric switch with cleaning action

Electricity: circuit makers and breakers – Special application – Liquid or moisture responsive
Patent

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Interlock switch housing

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Switch or casing therefor
Patent

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Safety switched outlet with dead front

Electricity: circuit makers and breakers – Interlocking – Between plural switches
Patent

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Profile ID: LFUS-PAI-P-702591

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