Granted Patent
Utility
US 4,846,283 · App. 07/094,218
Engine-sensing draft control system with multiple feedback compensation mechanisms
Inventor:
Barry D. Batcheller
Patented Case
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Granted: Jul 11, 1989
Filed: Sep 8, 1987
Inventor
Barry D. Batcheller
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.