Granted Patent
Utility
US 6,069,804 · App. 09/359,499
Bi-directional dc-to-dc power converter
Inventors:
Thomas M. Ingman, John W. Beecroft, Charles E. Mullett
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jul 23, 1999
Inventors
Thomas M. Ingman
John W. Beecroft
Charles E. Mullett
Assignee (at issue)
Condor D.C. Power Supplies 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.