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Light-emitting, nanometer scale, micromachined silicon tips

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Low consumption electron gun for cathode ray tubes

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Low sag tungsten filament having an elongated lead interlocking

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Low-pressure discharge lamp

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Luminous element for lamp

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Magnetron cathode assembly with grooved insulating spacer

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Magnetron cathode structure

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Magnetron filament having a quadrilateral cross-section

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Method of flashing tungsten filament

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Method of forming filament for electron beam emitter

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Method of pulsing incandescent lamp filaments

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Reflector-type lamp having reduced focus loss

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Single crystal whisker electric light filament

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Sintered wire cathode

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Stress relieved filament support assembly

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Synthetic diamond coated electrodes and filaments

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Tantalum carbide or tantalum-alloy carbide filament mounting and

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Thermionic cathode heater

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Thermionic cathode heater having reduced magnetic field

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Thermionic emitter with balancing thermal conduction legs

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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