4. Electric lamp and discharge devices
  5. Electrode and shield structures
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Electron-beam cathode having a uniform emission pattern

Electric lamp and discharge devices – Electrode and shield structures – Point source cathodes
Patent

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Electron-emitting device and electron-beam generator making use

Electric lamp and discharge devices – Electrode and shield structures – Point source cathodes
Patent

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Electronic element

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Reexamination Certificate

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Electronic switching devices

Electric lamp and discharge devices – Electrode and shield structures – Point source cathodes
Reexamination Certificate

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Electronic tube with cylindrical electrodes

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Electronic tubes

Electric lamp and discharge devices – Electrode and shield structures – With lead wire or connector
Patent

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Electronic valves

Electric lamp and discharge devices – Electrode and shield structures – Foraminous electrodes or shields
Patent

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Emissive coating for electrodes

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Patent

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Emissive filament and support structure

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Emitter

Electric lamp and discharge devices – Electrode and shield structures – Point source cathodes
Reexamination Certificate

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Emitter material for cathode ray tube having at least one...

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Reexamination Certificate

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Energy converter and light source

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Enhanced electron emitter

Electric lamp and discharge devices – Electrode and shield structures – Point source cathodes
Patent

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Enhanced electron emitter

Electric lamp and discharge devices – Electrode and shield structures – Point source cathodes
Patent

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Etched electrode for metal halide discharge lamps

Electric lamp and discharge devices – Electrode and shield structures – With lead wire or connector
Patent

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