Granted Patent
Utility
US 6,695,116 · App. 10/262,157
Pressure plate assembly for a multi-disk clutch
Inventors:
Erwin Ziegler, Frank Hirschmann, Klaus Steinel, Reinhold Weidinger, Wolfram Hick, Norbert Lohaus, Joachim Lindner
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Oct 1, 2002
Inventors
Erwin Ziegler
Frank Hirschmann
Klaus Steinel
Reinhold Weidinger
Wolfram Hick
Norbert Lohaus
Joachim Lindner
Assignee (at issue)
ZF Sachs 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.