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

Robert J. Crosby

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Arc lamp lighting unit with low and high light levels

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Plural periodic switches or multiple contact periodic switch
Patent

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Dewatering process

Liquid purification or separation – Processes – Separating
Patent

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Dewatering process and apparatus

Liquid purification or separation – Filter – Movable medium
Patent

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Electronic control circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Electrooptic meter pointer position detector

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Profile ID: LFUS-PAI-P-470842

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