Granted Patent
Utility
US 6,813,873 · App. 10/220,968
Ground-surface adaption device for attachments on harvesting machines
Inventors:
Wilhelm von Allwörden, Ingo Mende, Henri Scholtke, Peter Spaida, Gerhard Windisch
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Dec 18, 2002
Inventors
Wilhelm von Allwörden
Ingo Mende
Henri Scholtke
Peter Spaida
Gerhard Windisch
Assignee (at issue)
CNH AMERICA LLC
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.