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

Harold M. Merklinger

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Acoustic direction finder

Communications: electrical – Selective – Having indication or alarm
Patent

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Automatic comparison calibration device with ratio determination

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs
Patent

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Modular low noise preamplifier

Amplifiers – With semiconductor amplifying device – Including combined diverse-type semiconductor device
Patent

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Profile ID: LFUS-PAI-P-1235688

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