Granted Patent
Utility
US 6,508,926 · App. 09/763,417
Method and device for partial electrochemical treatment of bar-shaped objects
Inventors:
Johann Falkner, Rudolf Kauper, Manfred Krepelka, Thomas Lummer
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Feb 21, 2001
Inventors
Johann Falkner
Rudolf Kauper
Manfred Krepelka
Thomas Lummer
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.