4. Electric lamp and discharge devices: systems
  5. Pulsating or a.c. supply
  6. Plural load device systems

Alan L. Helgesson

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Automatic frequency control system for driving a linear accelera

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Plural load device systems
Patent

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Braked media transport for laser scanners

Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent

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Universal frequency electrical generator

Electricity: motive power systems – Generator-fed motor systems having generator control – Generator field circuit control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1940691

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