Granted Patent
Utility
US 4,603,543 · App. 06/636,518
Cotton harvester harvesting rotor speed monitor
Inventor:
Charles R. Cornell
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Aug 1, 1984
Inventor
Charles R. Cornell
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.