Granted Patent
Utility
US 4,852,965 · App. 07/019,719
Composite service and distribution communications media
Inventors:
Francis J. Mullin, William C. Reed
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Feb 27, 1987
Inventors
Francis J. Mullin
William C. Reed
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories
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.