Granted Patent
Utility
US 6,538,770 · App. 09/449,263
Color printer color control system using dual mode banner color test sheets
Inventor:
Lingappa K. Mestha
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Nov 24, 1999
Inventor
Lingappa K. Mestha
Assignee (at issue)
Xerox 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.