4. Electricity: circuit makers and breakers
  5. Retarded
  6. Clock train

Donald E. Bolin

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Electronically regulated electromechanical appliance control

Electrical transmission or interconnection systems – Switching systems – Switch actuation
Patent

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Rotational line switch control

Electricity: circuit makers and breakers – Retarded – Clock train
Patent

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Sequential timer with programmable dual frequency drive

Electricity: circuit makers and breakers – Retarded – Clock train
Patent

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Profile ID: LFUS-PAI-P-1216334

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