Granted Patent
Utility
US 6,778,652 · App. 09/773,787
Method and apparatus for establishing and facilitating a voice call connection from a client computer to a PSTN extension
Inventors:
Jeffrey W. Gaus, Murali Karamechdu, John R. Kadinger, Jeffrey B. Sponaugle
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Jan 31, 2001
Inventors
Jeffrey W. Gaus
Murali Karamechdu
John R. Kadinger
Jeffrey B. Sponaugle
Assignee (at issue)
ITEX, 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.