LandOfFree - US Patents - Listing for Electric lamp and discharge devices,Electrode and shield structures,Cathodes containing and/or coated with electron emissive...

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Oxidation resistant impregnated cathode

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

Patent

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Oxide cathode

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

Patent

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Oxide cathode

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

Patent

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Oxide cathode

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

Patent

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Oxide cathode

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

Patent

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Oxide cathode

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

Patent

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Oxide cathode employing Ba evaporation restraining layer

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

Patent

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Oxide cathode for an electron gun, having a denser and...

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

Reexamination Certificate

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Oxide cathode for electron gun with a differentially doped...

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

Reexamination Certificate

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Oxide cathode with rare earth addition

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

Patent

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Oxide-coated cathode and method for making same

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

Reexamination Certificate

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Oxide-coated cathode and method of producing the same

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

Patent

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Oxide-coated cathode for CRT and manufacturing method thereof

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

Patent

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