Granted Patent
Utility
US 5,406,318 · App. 07/716,033
Ink jet print head with electropolished diaphragm
Inventors:
John S. Moore, Hue P. Le, J. Kirk McGlothlan
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Jun 14, 1991
Inventors
John S. Moore
Hue P. Le
J. Kirk McGlothlan
Assignee (at issue)
Tektronix, 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.