Granted Patent
Utility
US 6,282,231 · App. 09/461,123
Strong signal cancellation to enhance processing of weak spread spectrum signal
Inventors:
Charles P. Norman, Charles R. Cahn
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Dec 14, 1999
Inventors
Charles P. Norman
Charles R. Cahn
Assignee (at issue)
SIRF Technology, 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.