Granted Patent
Utility
US 6,005,968 · App. 08/921,395
Scanner calibration and correction techniques using scaled lightness values
Inventor:
Edward M. Granger
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Aug 29, 1997
Inventor
Edward M. Granger
Assignee (at issue)
X-RITE INCORPORATED
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.