Granted Patent
Utility
US 6,681,098 · App. 09/757,989
Test administration system using the internet
Inventors:
David Pfenninger, Chris Hester
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Jan 10, 2001
Inventors
David Pfenninger
Chris Hester
Assignee (at issue)
Performance Assessment Network
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.