Granted Patent
Utility
US 6,496,387 · App. 09/828,106
Resonant converter comprising a control circuit
Inventor:
Johan Christiaan Halberstadt
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Apr 6, 2001
Inventor
Johan Christiaan Halberstadt
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.