Granted Patent
Utility
US 4,396,087 · App. 06/257,281
Auxiliary drive system for combines
Inventors:
Merlin A. Rock, Eugene J. Krukow, Vernon G. Moon, Norman G. Stroup, James C. Teichmer
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Apr 24, 1981
Inventors
Merlin A. Rock
Eugene J. Krukow
Vernon G. Moon
Norman G. Stroup
James C. Teichmer
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.