Granted Patent
Utility
US 6,625,430 · App. 09/971,480
Method and apparatus for attaining higher amplifier efficiencies at lower power levels
Inventor:
Peter Doherty
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Oct 5, 2001
Inventor
Peter Doherty
Assignee (at issue)
ERICSSON GMBH
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.