Granted Patent
Utility
US 6,690,585 · App. 10/230,812
Bi-directional DC power conversion system
Inventor:
Jonathan Betts-LaCroix
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Aug 29, 2002
Inventor
Jonathan Betts-LaCroix
Assignee (at issue)
OQO, 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.