4. Electric lamp and discharge devices
  5. With gas or vapor
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DC discharge lamp

Electric lamp and discharge devices – With gas or vapor – Having a particular total or partial pressure
Patent

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DC operated sodium vapor lamp

Electric lamp and discharge devices – With gas or vapor – Having a particular total or partial pressure
Patent

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DC Plasma display panel

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent

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DC plasma display panel and methods for making same

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent

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DC Type gas discharge display panels

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent

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DC type plasma display panel

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent

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Decorative lamp assembly having a transparent envelope...

Electric lamp and discharge devices – With gas or vapor – With particular gas or vapor
Reexamination Certificate

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Deep UV lamp bulb with improved fill

Electric lamp and discharge devices – With gas or vapor – With particular gas or vapor
Patent

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Dental curing lamp

Electric lamp and discharge devices – With gas or vapor – With particular gas or vapor
Patent

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Design and cooling of single ended quartz projection lamps

Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp
Patent

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Design for plasma display panel resulting in improved light...

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate

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Deuterium gas discharge tube

Electric lamp and discharge devices – With gas or vapor – Having electrode shield
Patent

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Deuterium gas discharge tube

Electric lamp and discharge devices – With gas or vapor – Having electrode shield
Patent

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Deuterium gas discharge tube

Electric lamp and discharge devices – With gas or vapor – Having electrode shield
Patent

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Deuterium lamp

Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure
Reexamination Certificate

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Device for operating a short arc discharge mercury lamp

Electric lamp and discharge devices – With gas or vapor – With particular gas or vapor
Reexamination Certificate

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Device for operation of a discharge lamp of the short arc type

Electric lamp and discharge devices – With gas or vapor – Having a particular total or partial pressure
Reexamination Certificate

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Device for the backlighting of a liquid crystal display that...

Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure
Reexamination Certificate

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Device having a plurality of ionizable gas filled channel in a g

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent

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Dielectric barrier discharge lamp

Electric lamp and discharge devices – With gas or vapor – Having electrode exterior to envelope
Patent

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