Granted Patent
Utility
US 4,434,334 · App. 06/193,067
Circuit interrupter
Inventor:
Charles W. Tragesser
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Oct 2, 1980
Inventor
Charles W. Tragesser
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.