4. Compositions
  5. Radioactive compositions
  6. Luminescent

Robert E. Ellefson

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Apparatus for measuring total pressure and partial pressure...

Electric lamp and discharge devices – With positive or negative ion acceleration – Supplying ionizable material
Reexamination Certificate

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Composition containing aerogel substrate loaded with tritium

Compositions – Radioactive compositions – Luminescent
Patent

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Ion collector assembly

Radiant energy – Ionic separation or analysis – Cyclically varying ion selecting field means
Patent

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Louvered beam stop for lowering x-ray limit of a total...

Electricity: measuring and testing – Using ionization effects – For monitoring pressure
Reexamination Certificate

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Method for linearization of ion currents in a quadrupole mass an

Radiant energy – Ionic separation or analysis – Methods
Patent

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Profile ID: LFUS-PAI-P-1021026

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