Granted Patent
Utility
US 6,732,846 · App. 09/906,562
Friction clutch
Inventors:
Matthias Diemer, Andreas Orlamünder, Andreas Dau
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Jul 16, 2001
Inventors
Matthias Diemer
Andreas Orlamünder
Andreas Dau
Assignee (at issue)
Mannesmann 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.