|
US2647070A
|
|
Method of making metal-to-ceramic seals
|
|
US2649556A
|
|
Magnetron strapping arrangement
|
|
US2677787A
|
|
Electron discharge device cathode assembly
|
|
US2642551A
|
|
High-frequency magnetron
|
|
US2641555A
|
|
Nonemissive electrode and method of making
|
|
US2652516A
|
|
Simplitron magnetron
|
|
US2667580A
|
|
Magnetron with valence electrode
|
|
US2555349A
|
|
Variable ramp for magnetrons
|
|
US2477633A
|
|
Protective means for electron discharge devices
|
|
US2495744A
|
|
Reactance tuning device
|
|
US2512901A
|
|
Adjustable magnetron
|
|
US2119955A
|
|
Vacuum-tight power transmission device
|
|
US2119679A
|
|
X-ray tube
|
