Granted Patent
Utility
US 4,908,002 · App. 07/268,012
Combine conveyor
Inventor:
Dale R. Tanis
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Nov 7, 1988
Inventor
Dale R. Tanis
Assignee (at issue)
J. I. Case 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.