Granted Patent
Utility
US 4,790,189 · App. 07/020,827
Method for eliminating sensor drift in a vibration monitoring system
Inventor:
Michael Twerdochlib
Patented Case
View Patent ↗
Granted: Dec 13, 1988
Filed: Mar 2, 1987
Inventor
Michael Twerdochlib
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.