IP Library › Granted Patent US 6,650,646
Granted Patent Utility
US 6,650,646 · App. 09/134,606

Digital communications system

Inventors: Keith Galway, James Watt, Duncan Glendinning, Eugene Zywicki, Wayne Burwell, Dave Coomber, Tom Duxbury, Nutan Behki
Patented Case View Patent ↗
Granted: Nov 18, 2003 Filed: Aug 14, 1998
Inventors
Keith Galway
James Watt
Duncan Glendinning
Eugene Zywicki
Wayne Burwell
Dave Coomber
Tom Duxbury
Nutan Behki
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.

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Quick Facts
Patent No.
US 6,650,646
App. No.
09/134,606
Filed
1998-08-14
Granted
2003-11-18
Kind
B1