4. Electricity: measuring and testing
  5. Electrical speed measuring
  6. Including speed-related frequency generator

Frederic S. Boericke, II

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Paddlewheel speed correction

Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Reexamination Certificate

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Paddlewheel speed correction

Data processing: measuring – calibrating – or testing – Measurement system – Speed
Reexamination Certificate

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Paddlewheel speed correction

Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Reexamination Certificate

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Transducer identification

Communications – electrical: acoustic wave systems and devices – Testing – monitoring – or calibrating
Reexamination Certificate

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Transducer identification

Communications – electrical: acoustic wave systems and devices – Testing – monitoring – or calibrating
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2358669

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