Granted Patent
Utility
US 5,153,859 · App. 07/567,865
Laminated piezoelectric structure and process of forming the same
Inventors:
Joseph V. Chatigny, Kumar Ogale, Lewis F. Brown, Joseph F. Yaskowski
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Aug 15, 1990
Inventors
Joseph V. Chatigny
Kumar Ogale
Lewis F. Brown
Joseph F. Yaskowski
Assignee (at issue)
Atochem North America, 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.