4. Prime-mover dynamo plants
  5. Electric control
  6. Fluid-current motors

Robert D. Richardson

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Four quadrant motor controller minimizing distortion index

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

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Protective shield device for use with medicine vial and the like

Bottles and jars – Closures – Self-sealing – piercable-type closure
Patent

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Variable speed wind turbine

Prime-mover dynamo plants – Electric control – Fluid-current motors
Patent

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Profile ID: LFUS-PAI-P-242180

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