Granted Patent
Utility
US 6,822,511 · App. 10/607,125
Integrated power amplifier circuit
Inventors:
Mark M. Doherty, John D. Gillis, Michael Joseph McPartlin, David R. Helms, Phillip Antognetti
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jun 27, 2003
Inventors
Mark M. Doherty
John D. Gillis
Michael Joseph McPartlin
David R. Helms
Phillip Antognetti
Assignee (at issue)
SiGe Semiconductor, 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.