Granted Patent
Utility
US 5,640,184 · App. 08/458,738
Orifice plate for simplified ink jet head
Inventors:
Edward R. Moynihan, David Gailus, Robert G. Palifka, Paul A. Hoisington, Nathan P. Hine, David Adams-Brady, Melvin L. Biggs, Marlene McDonald, Steven H. Barss, Diane Mackay, Bruce A. Paulson, Stephen C. Mackay
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Jun 2, 1995
Inventors
Edward R. Moynihan
David Gailus
Robert G. Palifka
Paul A. Hoisington
Nathan P. Hine
David Adams-Brady
Melvin L. Biggs
Marlene McDonald
Steven H. Barss
Diane Mackay
Bruce A. Paulson
Stephen C. Mackay
Assignee (at issue)
Spectra Group Limited, 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.