Granted Patent
Utility
US 5,841,855 · App. 08/559,516
Menu level indicator for a telephone terminal
Inventors:
Joanne W. Davidson, William F. Dudley, Jr., David M. Gresham, Michael L. Moroze, Elizabeth Bauer-Nilsen Sanders, Alessandro A. Subrizi, Susan L. Tuttle
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Nov 15, 1995
Inventors
Joanne W. Davidson
William F. Dudley, Jr.
David M. Gresham
Michael L. Moroze
Elizabeth Bauer-Nilsen Sanders
Alessandro A. Subrizi
Susan L. Tuttle
Assignee (at issue)
LUCENT TECHNOLOGIES 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.