Granted Patent
Utility
US 5,457,738 · App. 08/381,147
Method and system for searching an on-line directory at a telephone station
Inventor:
Loren M. Sylvan
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Jan 30, 1995
Inventor
Loren M. Sylvan
Assignee (at issue)
U S West Advanced Technologies, 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.