Granted Patent
Utility
US 4,723,274 · App. 06/813,185
Arrangement for transferring data to an attendant console
Inventor:
James B. Black
Patented Case
View Patent ↗
Granted: Feb 2, 1988
Filed: Dec 24, 1985
Inventor
James B. Black
Assignee (at issue)
GTE Communication Systems Corporation
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.