Granted Patent
Utility
US 6,691,844 · App. 10/241,292
Drive assembly, especially for agricultural implements
Inventor:
Wilhelm Schott
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Sep 11, 2002
Inventor
Wilhelm Schott
Assignee (at issue)
GKN Walterscheid GmbH
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.