Granted Patent
Utility
US 6,122,273 · App. 08/988,547
Line interface selection circuit
Inventors:
Robert W. Cantwell, Gregory James Waldschmidt
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Dec 10, 1997
Inventors
Robert W. Cantwell
Gregory James Waldschmidt
Assignee (at issue)
Alcatel USA Sourcing, L.P.
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.