Granted Patent
Utility
US 5,645,406 · App. 08/244,534
Transmission assembly with positive-displacement pump with suction throttle driven by a hydrodynamic converter
Inventors:
Gerald Rowe, Walter Kuhn, Christof Zippel, Michael Reichenmiller
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: May 27, 1994
Inventors
Gerald Rowe
Walter Kuhn
Christof Zippel
Michael Reichenmiller
Assignee (at issue)
ZF Friedrichshafen 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.