Granted Patent
Utility
US 5,446,484 · App. 08/089,310
Thin-film transducer ink jet head
Inventors:
Paul A. Hoisington, Edward R. Moynihan, David Gailus
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Jul 9, 1993
Inventors
Paul A. Hoisington
Edward R. Moynihan
David Gailus
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.