Granted Patent
Utility
US 5,929,409 · App. 08/825,817
Power breaker
Inventors:
Lukas Zehnder, Robert Anderes, Christian Dahler, Kurt Kaltenegger, Bodo Bruhl
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Apr 3, 1997
Inventors
Lukas Zehnder
Robert Anderes
Christian Dahler
Kurt Kaltenegger
Bodo Bruhl
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.