Granted Patent
Utility
US 4,642,746 · App. 06/739,580
Circuit arrangement for feeding the regulation and control device of a regulated direct voltage converter
Inventor:
Walter Losel
Patented Case
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Granted: Feb 10, 1987
Filed: May 30, 1985
Inventor
Walter Losel
Assignee (at issue)
U.S. Philips Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.