Granted Patent
Utility
US 6,790,332 · App. 10/011,269
Method for the galvanic deposition of nickel, cobalt, nickel alloys or cobalt alloys with periodic current pulses
Inventors:
Rudiger Ewald, Peter Filke, Michael Heckmann, Wolflgang Keinath, Günter Langel, Anton Schmidt
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Dec 7, 2001
Inventors
Rudiger Ewald
Peter Filke
Michael Heckmann
Wolflgang Keinath
Günter Langel
Anton Schmidt
Assignee (at issue)
ASTRIUM GMBH
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.