Granted Patent
Utility
US 6,071,400 · App. 09/162,659
Method and device for the electrochemical treatment with treatment liquid of an item to be treated
Inventors:
Rolf Schroder, Reinhard Schneider, Lorenz Kopp, Thomas Rydlewski, Horst Steffen
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Sep 29, 1998
Inventors
Rolf Schroder
Reinhard Schneider
Lorenz Kopp
Thomas Rydlewski
Horst Steffen
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.