Granted Patent
Utility
US 6,411,527 · App. 09/927,553
High-voltage DC/DC converter
Inventor:
Harry Reinold
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Aug 9, 2001
Inventor
Harry Reinold
Assignee (at issue)
ABB PATENT GMBH
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.