Granted Patent
Utility
US 6,168,691 · App. 09/170,356
Device for electrochemical treatment of elongate articles
Inventors:
Rudolf Kauper, Thomas Lummer, Wolfgang Richter, Reinhard Silberhorn, Manfred Krepelka
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Oct 13, 1998
Inventors
Rudolf Kauper
Thomas Lummer
Wolfgang Richter
Reinhard Silberhorn
Manfred Krepelka
Assignee (at issue)
Atotech Deutschland 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.