4. Electricity: circuit makers and breakers
  5. Liquid contact
  6. Time delay

Fred Bould

Inventor

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Case

Travel goods and personal belongings – Carrier or storage container – Enclosed
Patent

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Circuit breaker apparatus including jack shaft support

Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent

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Drawout switchgear apparatus with retractable shutter mechanism

Electricity: circuit makers and breakers – Interlocking – Between plural switches
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Dual spring circuit interrupter apparatus

Electricity: circuit makers and breakers – Liquid contact – Time delay
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Electrically conducting gas condenser support for a puffer circu

Electricity: circuit makers and breakers – Liquid contact – Time delay
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Profile ID: LFUS-PAI-P-62038

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