Granted Patent
Utility
US 5,991,634 · App. 08/808,227
"""Plug and play"" telephone system"
Inventors:
Chiu L. Hui, Walter G. Kutzavitch, Francis X. McGroary
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Feb 28, 1997
Inventors
Chiu L. Hui
Walter G. Kutzavitch
Francis X. McGroary
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.