Granted Patent
Utility
US 6,317,031 · App. 09/230,009
Power line communications
Inventor:
Robin Paul Rickard
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Sep 17, 1999
Inventor
Robin Paul Rickard
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.