Granted Patent
Utility
US 5,164,912 · App. 07/758,365
Expert system tester
Inventors:
Robert Osborne, Karl Eric Harper
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Sep 10, 1991
Inventors
Robert Osborne
Karl Eric Harper
Assignee (at issue)
Westinghouse Electric Company LLC
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.