Match Document Document Title
3148056 Cathode  
3119944 Spark plug electrode  
3118080 Tungsten dispenser cathodes and impregnants therefor  
3113370 Method of making cathode  
3110098 Manufacture of wire coils  
3110081 Manufacture of thermionic bodies  
3099577 Method of manufacturing oxide cathodes and cathodes manufactured by such methods  
3093757 Device for converting thermal energy into electrical energy  
3088851 Method of manufacturing oxide cathodes and cathodes manufactured by such methods  
3080498 Electrode and method of preparing the same for electron discharge devices  
3075066 Article of manufacture and method of making same  
3056061 Method of manufacturing nickel supports for oxide cathodes and cathodes provided with such supports  
3045320 Impregnated cathodes  
3018404 Electron tube cathodes  
2971246 Method of producing cavity-type dispenser cathode  
2947651 Method of making storage electrode for charge storage tube  
2891879 Black coating of high thermal emissivity and process for applying the same  
2878409 Dispenser-type cathode and method of making  
2870315 Apparatus for forming cathodes  
2869017 Thermionic dispenser cathode  
2868610 Method and apparatus for making vacuum enclosures  
2867742 Dispenser cathode  
2858470 Cathode for electron discharge devices  
2843517 Adhering coatings to cathode base metal  
2830218 Dispenser cathodes and methods of making them  
2792273 Oxide coated nickel cathode and method of activation  
2786259 Method of making supply cathodes and supply cathodes manufactured by means of these methods  
2785093 Method of preparing cathodes for discharge devices  
2776227 Method of processing a photosensitive mosaic electrode  
2753615 Emissive electrode for electric discharge apparatus  
2700626 Secondary electron emissive electrodes  
2686735 Cathode material  
2683837 Electron emissive composition and method of application  
2677873 Method of making nickel sponge cathodes  
2673387 Electron emission coating mixtures  
2673277 Incandescible cathode and method of making the same  
2640171 Vapor electric device cathode  
2639963 Secondary emitter and method of manufacture  
2625666 Filament for electron tubes  
2619706 Electrode for electric discharge devices  
2586771 Process for making secondary emission electrodes  
2574356 Process of making photoelectric cathodes  
2543439 Method of manufacturing coated elements for electron tubes  
2538873 Electric discharge tube  
2538588 Photocell  
2525263 Method of producing highly emissive electrodes  
2506466 Electron emitters  
2505909 Cathode-ray tube with oxide coated cathode  
2473900 Electrode coating process  
2464874 Method of manufacturing an oxide cathode for an electric discharge tube, and discharge tube made according thereto