Granted Patent
Utility
US 5,146,776 · App. 07/618,135
Method for continuously calibrating an optical vibration sensor
Inventors:
Michael Twerdochlib, Richard B. Chianese
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Nov 26, 1990
Inventors
Michael Twerdochlib
Richard B. Chianese
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.