LandOfFree - US Patents - Listing for Electric lamp and discharge devices,Electrode and shield structures

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Dispenser cathode and manufacturing method therefor

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Patent

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Dispenser cathode and method of manufacture therefor

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Patent

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Dispenser cathode and method of manufacturing a dispenser cathod

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Patent

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Dispenser cathode for a grid-controlled electron tube and method

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Patent

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Dispenser cathode with emitting surface parallel to ion flow

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Patent

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Dispenser cathode with emitting surface parallel to ion flow and

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Patent

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Dispenser cathode with porous sintered compacted metal dispenser

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Patent

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Dispenser cathode, particularly a metal capillary cathode

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

Patent

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Double layer electrode coil for a HID lamp and method of...

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

Reexamination Certificate

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Dual mode gridded gun

Electric lamp and discharge devices – Electrode and shield structures – Foraminous electrodes or shields

Patent

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