Granted Patent
Utility
US 6,421,397 · App. 09/493,733
Modulation system having on-line IQ calibration
Inventor:
James D. McVey
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Jan 28, 2000
Inventor
James D. McVey
Assignee (at issue)
Alcatel Canada 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.