Granted Patent
Utility
US 6,165,342 · App. 09/043,416
Cyanide-free electroplating bath for the deposition of gold and gold alloys
Inventors:
Werner Kuhn, Wolfgang Zilske
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Jun 2, 1998
Inventors
Werner Kuhn
Wolfgang Zilske
Assignee (at issue)
Degussa-Huels 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.