4. Electric lamp and discharge devices
  5. Cathode ray tube
  6. Plural beam generating or control

Gyeong Sang Lee

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Cathode in electron tube with actinoid metal(s) or...

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

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Focusing electrode structure

Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Patent

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Method for fabricating cathode in color cathode ray tube

Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1609532

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