Granted Patent
Utility
US 6,236,548 · App. 09/395,177
Method of discriminating between an internal arc and a circuit-breaking arc in a medium or high voltage circuit breaker
Inventor:
Jean Marmonier
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Sep 14, 1999
Inventor
Jean Marmonier
Assignee (at issue)
Alstom France S.A.
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.