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

William M. Crooks

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Electrical enclosure and cover assembly therefor

Electricity: conductors and insulators – Covers or face plates
Reexamination Certificate

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Gas discharge filter for electrical switching apparatus

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Housing structure
Reexamination Certificate

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Gas segregator barrier for electrical switching apparatus

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – With housing or support means
Reexamination Certificate

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Slide bar interlock

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

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Profile ID: LFUS-PAI-P-1395317

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