Granted Patent
Utility
US 4,777,436 · App. 06/700,295
Inductance coil sensor
Inventor:
David Fiori, Jr.
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Feb 11, 1985
Inventor
David Fiori, Jr.
Assignee (at issue)
Sensor Technologies, LLC
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.