Granted Patent
Utility
US 4,540,937 · App. 06/502,026
Electronic circuitry with self-calibrating feedback for use with an optical current sensor
Inventor:
Juris A. Asars
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Jun 7, 1983
Inventor
Juris A. Asars
Assignee (at issue)
Westinghouse Electric Company 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.