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Tungsten halogen lamp with infrared reflecting film and...

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

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Tungsten halogen lamp with specific fill material, fill pressure

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

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Tungsten laden emission mix of improved stability

Electric lamp and discharge devices – With gas or vapor – Having electrode of alkali – alkaline or rare earth material
Patent

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Tungsten-halogen incandescent and metal vapor discharge lamps an

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

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Tungsten-halogen incandescent lamp containing additive to reduce

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

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Tungsten-halogen lamp with means for reducing filament embrittle

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

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Tungsten-halogen lamp with organic and inorganic getters

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

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Tungsten-halogen lamp with preferential tungsten deposition site

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

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Tungsten-halogen light bulb, and reflector lamp using the same

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

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Tungsten-rhenium filament and method for producing same

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

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Type of light

Electric lamp and discharge devices – With gas or vapor – Having electrode lead-in or electrode support sealed to...
Reexamination Certificate

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Type of light

Electric lamp and discharge devices – With gas or vapor – Having electrode lead-in or electrode support sealed to...
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