Granted Patent
Utility
US 5,533,103 · App. 08/473,941
Calling system and method
Inventors:
Stephen D. Peavey, James E. Ogden, William J. Hoyt, Ino Dunn, Paul Zmuda, David A. Jamroga, Jacob W. Jorgensen
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Jun 7, 1995
Inventors
Stephen D. Peavey
James E. Ogden
William J. Hoyt
Ino Dunn
Paul Zmuda
David A. Jamroga
Jacob W. Jorgensen
Assignee (at issue)
Electra Information Systems, 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.