Granted Patent
Utility
US 5,493,320 · App. 08/312,349
Ink jet printing nozzle array bonded to a polymer ink barrier layer
Inventors:
David Lee Sandbach, Lawrence Russell Steward, Charles S. Whitman, Gary R. Williams, John Dennis Zbrozek
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Sep 26, 1994
Inventors
David Lee Sandbach
Lawrence Russell Steward
Charles S. Whitman
Gary R. Williams
John Dennis Zbrozek
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.