Granted Patent
Utility
US 4,199,743 · App. 05/875,670
Encapsulated current transformer
Inventor:
Paul W. Martincic
Patented Case
View Patent ↗
Granted: Apr 22, 1980
Filed: Feb 6, 1978
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.