Granted Patent
Utility
US 6,301,344 · App. 09/186,009
Intelligent public telephone system and method
Inventors:
Rolf Meyer, Kenneth Bryan, Raymond F. Felch, Tony L. McBride, Gary L. Stirk, Stephen J. Hayes
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Nov 4, 1998
Inventors
Rolf Meyer
Kenneth Bryan
Raymond F. Felch
Tony L. McBride
Gary L. Stirk
Stephen J. Hayes
Assignee (at issue)
Protel, 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.