Granted Patent
Utility
US 5,327,486 · App. 08/045,005
Method and system for managing telecommunications such as telephone calls
Inventors:
Richard Wolff, Warren Stanton Gifford, Michael Kramer, David S. Miller, Gerardo Ramirez, David Turock
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Mar 22, 1993
Inventors
Richard Wolff
Warren Stanton Gifford
Michael Kramer
David S. Miller
Gerardo Ramirez
David Turock
Assignee (at issue)
Bell Communications Research, 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.