Granted Patent
Utility
US 4,841,245 · App. 07/008,639
Displacement sensor having multiplexed dual tank circuits
Inventor:
David Fiori, Jr.
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Jan 29, 1987
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.