4. Electric lamp and discharge devices
  5. With luminescent solid or liquid material
  6. Vacuum-type tube

Carl R. Hagen

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Apparatus and method for placing spacers in an emissive display

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

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Field emission display having an ion shield

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Patent

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Profile ID: LFUS-PAI-P-1071424

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