4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. Including a radiant energy responsive gas discharge device

Douglas E. Ingram

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Aspherical curved element transducer to inspect a part with...

Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate

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Ionization detector

Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent

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Method and inspection standard for eddy current inspection

Electricity: measuring and testing – Magnetic – Calibration
Reexamination Certificate

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Reduced thickness radiation window for an ionization detector

Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent

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Profile ID: LFUS-PAI-P-1115676

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