4. Electric lamp and discharge devices
  5. With support and/or spacing structure for electrode and/or...
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Cathode with fast heat switch-on and switch-off mechanism and gr

Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For filament
Patent

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Coil filament structure for an incandescent lamp

Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For filament
Reexamination Certificate

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Coiled-coil filament design for an incandescent lamp

Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For filament
Patent

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Compact coiled coil incandescent filament with supports and pitc

Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For filament
Patent

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Continuous carbon-nanotube filaments for radiation-emitting...

Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For filament
Reexamination Certificate

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