Granted Patent
Utility
US 5,724,262 · App. 08/320,810
Method for measuring the usability of a system and for task analysis and re-engineering
Inventor:
Bahador Ghahramani
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Oct 11, 1994
Inventor
Bahador Ghahramani
Assignee (at issue)
PARADYNE 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.