Granted Patent
Utility
US 6,418,134 · App. 09/188,659
Finite impulse response filter for multi-code CDMA signals
Inventors:
Blaine Quentin Geddes, Wendy Cheung
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Nov 9, 1998
Inventors
Blaine Quentin Geddes
Wendy Cheung
Assignee (at issue)
Nortel Networks Limited
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.