Granted Patent
Utility
US 4,227,110 · App. 05/740,683
Transducer control system
Inventors:
George R. Douglas, John H. Thompson
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Nov 10, 1976
Inventors
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.