Granted Patent
Utility
US 6,507,608 · App. 09/791,970
Multi-line ADSL modulation
Inventor:
Andrew L. Norrell
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Feb 22, 2001
Inventor
Andrew L. Norrell
Assignee (at issue)
2Wire, 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.