4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Edward J. Schaefer

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Centrifugal mechanism and switch

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Electric motor construction

Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent

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Electric motor control

Electricity: motive power systems – Miscellaneous
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Electric submersible motor with dual snap ring clamp

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Method and apparatus for making permanent magnet rotors

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Profile ID: LFUS-PAI-P-68218

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