Granted Patent
Utility
US 6,697,265 · App. 09/863,678
Wide range DC power supply utilizing voltage doubling output capacitors and inductive choke to extend full power load impedance range
Inventors:
Geoffrey N. Drummond, Bryce L. Hesterman
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: May 23, 2001
Inventors
Geoffrey N. Drummond
Bryce L. Hesterman
Assignee (at issue)
Advanced Energy Industries, 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.