Granted Patent
Utility
US 5,856,728 · App. 08/810,308
Power transformer circuit with resonator
Inventors:
Charles Zimnicki, John E. Mattson
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Feb 28, 1997
Inventors
Charles Zimnicki
John E. Mattson
Assignee (at issue)
Motorola, 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.