Granted Patent
Utility
US 5,592,539 · App. 08/176,006
System for completing air-to-ground telephone calls
Inventors:
Brenda B. Amarant, Erik N. Breden, Thomas A. Dunn, Michael W. Funk, Stephen M. Kocan, Ilane L. Mathews, Kari O'Connell, Mark C. Pollman
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Dec 30, 1993
Inventors
Brenda B. Amarant
Erik N. Breden
Thomas A. Dunn
Michael W. Funk
Stephen M. Kocan
Ilane L. Mathews
Kari O'Connell
Mark C. Pollman
Assignee (at issue)
AT&T CORP.
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.