Granted Patent
Utility
US 6,130,893 · App. 08/947,855
Method and apparatus for multiplexing telephone lines over a common access network
Inventors:
Richard Jonathan Whittaker, Jim Orlando
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Oct 9, 1997
Inventors
Richard Jonathan Whittaker
Jim Orlando
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.