Granted Patent
Utility
US 6,342,952 · App. 09/416,164
Method for matching printing ink colors
Inventor:
Domingo Q Chan
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Oct 11, 1999
Inventor
Domingo Q Chan
Assignee (at issue)
Flint Ink 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.