Granted Patent
Utility
US 6,725,021 · App. 10/175,666
Method for tuning an envelope tracking amplification system
Inventors:
Dale Robert Anderson, James E. Mitzlaff
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Jun 20, 2002
Inventors
Dale Robert Anderson
James E. Mitzlaff
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.