Granted Patent
Utility
US 4,328,403 · App. 06/063,014
Single barrel puffer circuit interrupter
Inventors:
Russell E. Frink, Stanislaw A. Milianowicz
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Aug 2, 1979
Inventors
Russell E. Frink
Stanislaw A. Milianowicz
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.