4. Communications: electrical
  5. Vehicle detectors
  6. Inductive

Earl B. Hoekman

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Apparatus for providing a time controlled output

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

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Apparatus for sensing vehicles

Communications: electrical – Vehicle detectors
Patent

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Automatic alteration of the operation of a radiant energy transm

Electric lamp and discharge devices: systems – Special application – Vehicle
Patent

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Flexible ferromagnetic marker for the detection of objects havin

Registers – Records – Magnetic
Patent

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Method for minimizing false alarms and electronic noise in elect

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

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Profile ID: LFUS-PAI-P-128075

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