Granted Patent
Utility
US 5,001,554 · App. 07/340,731
Terminal authorization method
Inventors:
Lee R. Johnson, Elizabeth A. Smith, Howard L. Myers, Curt M. Kuban
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Apr 20, 1989
Inventors
Lee R. Johnson
Elizabeth A. Smith
Howard L. Myers
Curt M. Kuban
Assignee (at issue)
Scientific-Atlanta, 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.