Granted Patent
Utility
US 5,046,086 · App. 07/508,133
Page-mapped multi-line telephone communication system
Inventors:
Henry Bergen, Thomas R. Kelly, Edward J. Mazeiko, Jr., Wellseley Smith
Patented Case
View Patent ↗
Granted: Sep 3, 1991
Filed: Apr 11, 1990
Inventors
Henry Bergen
Thomas R. Kelly
Edward J. Mazeiko, Jr.
Wellseley Smith
Assignee (at issue)
Contel IPC, 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.