Granted Patent
Utility
US 6,064,761 · App. 08/683,648
Near black under color removal
Inventor:
James Robert Metcalfe
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Jul 15, 1996
Inventor
James Robert Metcalfe
Assignees (at issue)
Canon Information Systems Research Australia Pty. Ltd.
CANON KABUSHIKI KAISHA
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.