Granted Patent
Utility
US 6,076,910 · App. 08/964,362
Ink jet printing apparatus having redundant nozzles
Inventor:
Frank Edward Anderson
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Nov 4, 1997
Inventor
Frank Edward Anderson
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.