US Patent 7857724 Multi-group gearbox
Patent 7857724 was granted and assigned to ZF Friedrichshafen on December, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 29, 2005
0
Date of Patent
December 28, 2010
0
Patent Application Number
11792889
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Patent Inventor Names
Karl-Fritz Heinzelmann
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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