Granted Patent
Utility
US 6,018,617 · App. 08/903,573
Test generating and formatting system
Inventors:
Keith R. Sweitzer, Karl Sweitzer
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Jul 31, 1997
Inventors
Keith R. Sweitzer
Karl Sweitzer
Assignee (at issue)
Advantage Learning Systems, 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.