Granted Patent
Utility
US 6,835,161 · App. 10/197,270
Automated change-speed gearbox and methods for changing gear in such a gearbox
Inventors:
Martin Grillenberger, Markus Heinzel, Michael Salecker, Friedo Tinschert, Dittmar Wieland
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Jul 18, 2002
Inventors
Martin Grillenberger
Markus Heinzel
Michael Salecker
Friedo Tinschert
Dittmar Wieland
Assignee (at issue)
Daimlerchrysler 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.