Granted Patent
Utility
US 4,371,047 · App. 06/136,870
Agricultural tractor having reverse air flow cooling
Inventors:
Richard A. Hale, Richard G. Hennessey
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Apr 2, 1980
Inventors
Richard A. Hale
Richard G. Hennessey
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.