4. Electric lamp and discharge devices
  5. With temperature modifier
  6. For filament or heated cathode

Otto Winkler

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Cryopump

Refrigeration – Low pressure cold trap process and apparatus
Patent

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High vacuum valve construction

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent

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High vacuum valve having a metal-to-metal sealing joint

Valves and valve actuation – Reciprocating valve – Particular head and seat cooperation
Patent

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Method and apparatus for rapidly regenerating a self-contained c

Refrigeration – Low pressure cold trap process and apparatus
Patent

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Non-volatile memory card with autarkic chronometer

Registers – Records – Conductive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-670965

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