4. Radiant energy
  5. Geological testing or irradiation

John C. Dempsey

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Electret gamma/X-ray low level dosimeter

Radiant energy – Invisible radiant energy responsive electric signalling
Patent

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Electret gamma/X-ray low level dosimeter

Radiant energy – Invisible radiant energy responsive electric signalling
Patent

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Ionization chamber for monitoring radioactive gas

Radiant energy – Geological testing or irradiation
Patent

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Method and apparatus for measuring air infiltration rate into bu

Measuring and testing – With fluid pressure – Leakage
Patent

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Method and apparatus for measuring the rate at which air infiltr

Measuring and testing – With fluid pressure – Leakage
Patent

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Profile ID: LFUS-PAI-P-266482

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