4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. Load shunting by fault responsive means

Richard Goldstein

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Apparatus and method for continuously monitoring grounding condu

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of ground fault indication
Patent

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Automatic stereo/monaural headphone

Electrical audio signal processing systems and devices – Headphone circuits
Reexamination Certificate

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Color converter

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent

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Emission testing circuit for color cathode ray tubes

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Externally identifiable descriptor for standard memory...

Electrical computers and digital processing systems: memory – Storage accessing and control – Memory configuring
Reexamination Certificate

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Profile ID: LFUS-PAI-P-217287

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