Granted Patent
Utility
US 4,636,633 · App. 06/611,575
Document sensing apparatus that detects non-specular reflected light
Inventors:
Stephen J. Roger, John D. Bryant, Philip Wong
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: May 18, 1984
Inventors
Stephen J. Roger
John D. Bryant
Philip Wong
Assignee (at issue)
Burroughs, 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.