Granted Patent
Utility
US 5,085,587 · App. 07/563,443
Scannable form and system
Inventors:
Paul DesForges, Michael Prutz
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Aug 7, 1990
Inventors
Paul DesForges
Michael Prutz
Assignee (at issue)
Scantron 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.