Granted Patent
Utility
US 4,307,365 · App. 06/149,871
Current transformer
Inventor:
Paul W. Martincic
Patented Case
View Patent ↗
Granted: Dec 22, 1981
Filed: May 14, 1980
Inventor
Paul W. Martincic
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.