Granted Patent
Utility
US 4,489,734 · App. 06/582,347
Straw discharge deflectors for combine harvesters
Inventor:
Daniël M. G. Van Overschelde
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Feb 22, 1984
Inventor
Daniël M. G. Van Overschelde
Assignee (at issue)
Sperry Corp.
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.