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

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Incandescent lamp utilizing cylindrical transparent heat mirror

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

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Incandescent lamp with bulb having IR reflecting film

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

Patent

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Incandescent lamp with dichroic trihedral corner reflectors

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

Patent

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Incandescent lamp with ellipsoidal envelope and infrared reflect

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

Patent

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Incandescent lamp with extended filament lifetime

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

Patent

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Incandescent lamp with improved coating and method

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

Patent

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Incandescent lamp with infrared filter

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

Patent

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Incandescent lamp with infrared reflecting-visible energy transm

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

Patent

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Incandescent lamp with low-beam screening cap

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Light valve or obscuring means

Patent

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Incandescent lamp with reflection coating

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

Patent

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Incandescent lamp with selective color filter

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

Patent

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Incandescent lamp with structure for collecting evaporated filam

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

Patent

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Incandescent lamp-reflector unit

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

Patent

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Incandescent lamps with neodymium oxide vitreous coatings

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

Patent

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Incandescent light source with transparent heat mirror

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

Patent

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Incandescent light with parallel grooves encompassing a bulbous

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

Patent

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Incandescent lighting

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

Patent

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Incandescent projection lamp with internal reflector having ligh

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

Patent

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Incandescent reflector heat lamp with uniform irradiance

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

Reexamination Certificate

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Infrared radiation lamp

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

Patent

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