4. Electricity: measuring and testing
  5. Measuring, testing, or sensing electricity, per se
  6. Nonquantitative

John S. Schaefer

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Apparatus for detecting a completed electrical circuit and...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative
Reexamination Certificate

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Apparatus for detecting a completed electrical circuit,...

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – With electric power receptacle for line wire testing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2103345

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