Granted Patent
Utility
US 4,236,422 · App. 06/062,639
Fluid pump control system for a tractor
Inventors:
Gary L. Cochran, Charles D. Wilson, Maurice M. Klee
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Aug 1, 1979
Inventors
Gary L. Cochran
Charles D. Wilson
Maurice M. Klee
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.