Granted Patent
Utility
US 6,796,411 · App. 10/287,200
Hydrodynamic clutch device
Inventors:
Thomas Bauer, Peter Frey, Christoph Sasse
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Nov 4, 2002
Inventors
Thomas Bauer
Peter Frey
Christoph Sasse
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.