Granted Patent
Utility
US 5,984,455 · App. 08/964,478
Ink jet printing apparatus having primary and secondary nozzles
Inventor:
Frank Edward Anderson
Patented Case
View Patent ↗
Granted: Nov 16, 1999
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.