Granted Patent
Utility
US 5,857,013 · App. 08/881,620
Method for automatically returning voice mail messages
Inventors:
Drina C. Yue, Raymond J. Smets, Thomas Joseph Moquin, Evan Kraus, Lawrence R. Berke
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Jun 24, 1997
Inventors
Drina C. Yue
Raymond J. Smets
Thomas Joseph Moquin
Evan Kraus
Lawrence R. Berke
Assignee (at issue)
BellSouth Corporation
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.