Granted Patent
Utility
US 5,808,908 · App. 08/858,134
Method for measuring the usability of a system
Inventor:
Bahador Ghahramani
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: May 19, 1997
Inventor
Bahador Ghahramani
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.