Granted Patent
Utility
US 5,407,136 · App. 08/116,980
Ink-jet nozzle
Inventors:
David B. West, Scott Barraclough
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Sep 10, 1993
Inventors
David B. West
Scott Barraclough
Assignee (at issue)
Iris Graphics, 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.