4. Electric lamp and discharge devices
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Extracting light from an electroluminescent layer

Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate

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Extractive electrode situated in the vicinity of the particle so

Electric lamp and discharge devices – Cyclotrons
Patent

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Eye comfort panel

Electric lamp and discharge devices – Cathode ray tube – Envelope
Patent

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Eyelet for incandescent lamp bases and method of making

Electric lamp and discharge devices – With envelope – Having base and connector
Patent

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