Granted Patent
Utility
US 6,515,873 · App. 09/933,850
Switched-mode power supply
Inventors:
Reinhard Kögel, Jean-Paul Louvel
Patented Case
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Granted: Feb 4, 2003
Filed: Aug 21, 2001
Inventors
Reinhard Kögel
Jean-Paul Louvel
Assignee (at issue)
Thomson Licensing
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.