Granted Patent
Utility
US 4,244,380 · App. 06/022,238
Adjustable transport vanes for axial flow combine
Inventors:
Richard A. DePauw, Neil C. Dunn, James Robert Lucas
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Mar 20, 1979
Inventors
Richard A. DePauw
Neil C. Dunn
James Robert Lucas
Assignee (at issue)
International Harvester Company
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.