4. Electricity: measuring and testing
  5. Magnetic
  6. Displacement

William D. Riggs

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Brushless direct current motor

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Low noise DC electric motor

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Position detecting apparatus using variable magnetic field inten

Electricity: measuring and testing – Magnetic – Displacement
Patent

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Torque motor

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation
Patent

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Profile ID: LFUS-PAI-P-274901

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