Granted Patent
Utility
US 6,699,431 · App. 10/079,113
Method of producing an anode for a capacitor
Inventors:
Helge Clasen, Willy Knabe, Klaus Gnann, Josef Gerblinger, Dieter Hahn
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Feb 20, 2002
Inventors
Helge Clasen
Willy Knabe
Klaus Gnann
Josef Gerblinger
Dieter Hahn
Assignee (at issue)
EPCOS 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.