Granted Patent
Utility
US 4,581,676 · App. 06/651,206
Electrical contact coating for silicon pressure transducers
Inventors:
Ronald D. Baxter, Paul M. Kroninger, Jr.
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Sep 17, 1984
Inventors
Ronald D. Baxter
Paul M. Kroninger, Jr.
Assignee (at issue)
Federal Signal 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.