LandOfFree - US Patents - Listing for Electric lamp and discharge devices,Discharge devices having a thermionic or emissive cathode

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Surface-emission cathodes having cantilevered electrodes

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Reexamination Certificate

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Tetraode field-emission display and method of fabricating...

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Reexamination Certificate

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Thermal electron emitter and thermal electron emission...

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Reexamination Certificate

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Thermionic electron emission device

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Reexamination Certificate

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Thermionic electron source

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Reexamination Certificate

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Thermionic electron source

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Reexamination Certificate

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Thermionic emission device

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Reexamination Certificate

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Thermionic optical emission device

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Patent

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Uniform emitter array for display devices

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Reexamination Certificate

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Vacuum airtight device having NbN electrode structure incorporat

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Patent

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Vacuum microelectronic device and methodology for fabricating sa

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode

Patent

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