Granted Patent
Utility
US 4,788,096 · App. 07/018,210
Devices for making piezoelectric ceramic or ceramic-base composite sensors
Inventors:
Ilmar L. Kalnin, Howard Furst, George J. Breckenridge, Jr., O. Richard Hughes
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Feb 24, 1987
Inventors
Ilmar L. Kalnin
Howard Furst
George J. Breckenridge, Jr.
O. Richard Hughes
Assignee (at issue)
Hoechst Celanese Corporation
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.