Granted Patent
Utility
US 5,902,978 · App. 08/832,290
Power breaker
Inventors:
Lukas Zehnder, Robert Anderes, Bodo Bruhl, Christian Dahler, Ion Gavrilita, Joachim Stechbarth, Kurt Kaltenegger
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Apr 3, 1997
Inventors
Lukas Zehnder
Robert Anderes
Bodo Bruhl
Christian Dahler
Ion Gavrilita
Joachim Stechbarth
Kurt Kaltenegger
Assignee (at issue)
Asea Brown Boveri, 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.