Granted Patent
Utility
US 4,275,349 · App. 06/038,362
Watt and var transducer
Inventor:
Joseph T. Wintermute
Patented Case
View Patent ↗
Granted: Jun 23, 1981
Filed: May 11, 1979
Inventor
Joseph T. Wintermute
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.