4. Radiant energy
  5. Invisible radiant energy responsive electric signalling

Francis R. Crowson

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Automatic filter system

Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent

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Container for storage of radioactive materials

Receptacles – Closures – Superposed closures for common opening
Patent

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Headgear-mounted indicator for ionizing radiation

Radiant energy – Invisible radiant energy responsive electric signalling
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Profile ID: LFUS-PAI-P-1171042

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