Granted Patent
Utility
US 6,157,253 · App. 09/389,903
High efficiency power amplifier circuit with wide dynamic backoff range
Inventors:
Bernard Eugene Sigmon, Ronald Gene Myers
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Sep 3, 1999
Inventors
Bernard Eugene Sigmon
Ronald Gene Myers
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.