Granted Patent
Utility
US 4,259,732 · App. 06/045,452
Transducer assembly for self-calibration
Inventors:
Phillip R. Anderson, George R. Douglas, John H. Thompson
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Jun 4, 1979
Inventors
Phillip R. Anderson
George R. Douglas
John H. Thompson
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.