Granted Patent
Utility
US 5,620,583 · App. 08/624,806
Platinum plating bath
Inventors:
Werner Kuhn, Wolfgang Zilske
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Mar 27, 1996
Inventors
Werner Kuhn
Wolfgang Zilske
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.