Granted Patent
Utility
US 6,603,838 · App. 09/584,242
Voice messaging system with selected messages not left by a caller
Inventors:
Wendell Brown, Mark Klein, Edgar Allan Tu
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: May 31, 2000
Inventors
Wendell Brown
Mark Klein
Edgar Allan Tu
Assignee (at issue)
America Online, 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.