Granted Patent
Utility
US 6,027,199 · App. 08/994,804
Ink jet cartridge system and method of printing using plurality of same color inks with different intensities
Inventor:
William Henry Reed
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Dec 19, 1997
Inventor
William Henry Reed
Assignee (at issue)
Lexmark International, 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.