4. Electric lamp and discharge devices
  5. With optical device or special ray transmissive envelope
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Back light unit including a diffuser with various diffusion...

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Light diffusing
Reexamination Certificate

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Backlighting apparatus for uniformly illuminating a display pane

Electric lamp and discharge devices – With optical device or special ray transmissive envelope
Patent

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Backlighting apparatus for uniformly illuminating a display pane

Electric lamp and discharge devices – With optical device or special ray transmissive envelope
Patent

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Blown lamp bulb and electric lamp provided with such a bulb

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Plural diverse optical devices
Patent

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Blue color filter element

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Polarizer or special ray transmission
Reexamination Certificate

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Blue incandescent appliance lamp

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Polarizer or special ray transmission
Reexamination Certificate

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Bowl mirrored lamp

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Reflector
Patent

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Brightness-enhanced multilayer optical film with low...

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Polarizer or special ray transmission
Reexamination Certificate

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Broad spectrum reflective coating for an electric lamp

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Reflector
Reexamination Certificate

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Bug free linear quartz halogen lamp

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Polarizer or special ray transmission
Patent

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Bulb

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Reflector
Patent

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Bulb applied with a glare protection paint and a vehicular...

Electric lamp and discharge devices – With optical device or special ray transmissive envelope
Reexamination Certificate

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Bulb construction for traffic signals and the like

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Plural diverse optical devices
Patent

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Bulb for vehicular lighting equipment

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Polarizer or special ray transmission
Patent

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