Granted Patent
Utility
US 5,341,981 · App. 08/114,615
Use of a cadmium-free silver alloy as brazing solder (III)
Inventors:
Wolfgang Weise, Alexander Voelcker, Dieter Kaufmann, Willi Malikowski, Joerg Beuers, Harald Krappitz
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Sep 1, 1993
Inventors
Wolfgang Weise
Alexander Voelcker
Dieter Kaufmann
Willi Malikowski
Joerg Beuers
Harald Krappitz
Assignee (at issue)
Degussa AG
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.