Granted Patent
Utility
US 4,577,148 · App. 06/450,584
Surge arrester equipped for monitoring functions and method of use
Inventor:
Andrew S. Sweetana, Jr.
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Dec 17, 1982
Inventor
Andrew S. Sweetana, Jr.
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.