Granted Patent
Utility
US 6,603,335 · App. 10/167,633
Ramp circuit to reduce spectral regrowth of power amplifiers
Inventors:
Phil Macphail, Wei An
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Jun 11, 2002
Inventors
Phil Macphail
Wei An
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.