Granted Patent
Utility
US 5,905,795 · App. 08/845,610
Two-line subscriber system
Inventor:
Philip Anthony Wilkinson
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Apr 25, 1997
Inventor
Philip Anthony Wilkinson
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.