Granted Patent
Utility
US 6,798,670 · App. 10/115,610
DC-DC converter
Inventor:
Ray King
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Apr 2, 2002
Inventor
Ray King
Assignee (at issue)
International Rectifier 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.