Granted Patent
Utility
US 6,687,738 · App. 09/343,278
Establishing an internet telephone call using e-mail
Inventors:
Glenn W. Hutton, Shane D. Mattaway, Craig B. Strickland
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jun 30, 1999
Inventors
Glenn W. Hutton
Shane D. Mattaway
Craig B. Strickland
Assignee (at issue)
NetSpeak 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.