Granted Patent
Utility
US 6,158,843 · App. 08/827,242
Ink jet printer nozzle plates with ink filtering projections
Inventors:
Ashok Murthy, Steven R. Komplin, Robert W. Cornell, James Harold Powers, Bruce David Gibson
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Mar 28, 1997
Inventors
Ashok Murthy
Steven R. Komplin
Robert W. Cornell
James Harold Powers
Bruce David Gibson
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.