Granted Patent
Utility
US 6,304,461 · App. 09/593,934
DC power converter having bipolar output and bi-directional reactive current transfer
Inventor:
James T. Walker
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Jun 15, 2000
Inventor
James T. Walker
Assignee (at issue)
Supertex, Inc.
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.