4. Radiant energy
  5. Geological testing or irradiation

C. John Umbarger

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Batteryless magneto-driven portable radiac

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

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Method for radioactivity monitoring

Radiant energy – Geological testing or irradiation
Patent

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Miniaturized radiation chirper

Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Patent

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Spectrometer gun

Boots – shoes – and leggings
Patent

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Wristwatch dosimeter

Boots – shoes – and leggings
Patent

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Profile ID: LFUS-PAI-P-348779

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