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

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Electron-emitting device having large control openings in...

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

Reexamination Certificate

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Electron-emitting device manufacturing apparatus, solution...

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

Reexamination Certificate

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Electron-emitting device with electron blocking layer,...

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

Reexamination Certificate

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Electron-emitting device with electron-emitting region insulated

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

Patent

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Electron-emitting device, electron source and image forming...

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

Reexamination Certificate

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Electron-emitting device, electron source and image-forming...

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

Reexamination Certificate

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Electron-emitting device, electron source using the same,...

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

Reexamination Certificate

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Electron-emitting device, electron source using the...

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

Reexamination Certificate

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Electron-emitting device, electron source using the...

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

Reexamination Certificate

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Electron-emitting device, electron source using the...

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

Reexamination Certificate

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Electron-emitting device, electron source, and image-forming...

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

Reexamination Certificate

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Electron-emitting device, electron source, and method for...

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

Reexamination Certificate

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Electron-emitting devices having variously constituted electron-

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

Patent

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Electron-emitting element

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

Reexamination Certificate

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Electron-emitting source, electron-emitting module, and...

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

Reexamination Certificate

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Enhanced field emission from microtip structures

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

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