Granted Patent
Utility
US 6,014,377 · App. 09/129,563
System and method for an integrated wireline/wireless service using private branch exchange lines
Inventor:
Donald E. Gillespie
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Aug 5, 1998
Inventor
Donald E. Gillespie
Assignee (at issue)
U S West, 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.