LandOfFree - US Patents - Listing for Electric lamp and discharge devices,With optical device or special ray transmissive envelope

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Ultraviolet absorbing and yellow light filtering glasses for...

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

Reexamination Certificate

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Ultraviolet radiation source

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

Patent

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Ultraviolet ray lamp and sterilizers and cleaners using the...

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

Reexamination Certificate

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Ultraviolet ray-shielding agent and tube

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

Patent

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Ultraviolet-suppressed light source, coating agent used in the s

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

Patent

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Umber paint for turn signal lamps and bulbs coated therewith

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

Reexamination Certificate

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Underwater lamp

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

Reexamination Certificate

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Uniform angular light distribution from LEDs

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

Reexamination Certificate

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Unit of electric lamp and reflector

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

Patent

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UV reflectors and UV-based light sources having reduced UV...

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

Reexamination Certificate

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