4. Electricity: measuring and testing
  5. Testing potential in specific environment
  6. Voltage probe

Martin A. Uman

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Lightning activated relay

Electricity: electrical systems and devices – Safety and protection of systems and devices
Patent

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Lightning detection system utilizing triangulation and field amp

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe
Patent

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Lightning detector using an X-ray detector and an E- or...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1911787

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