Granted Patent
Utility
US 4,376,473 · App. 06/247,704
Multiple clutch control system
Inventors:
Donald J. Tomasek, Benjamin L. McCash
Patented Case
View Patent ↗
Granted: Mar 15, 1983
Filed: Mar 26, 1981
Inventors
Donald J. Tomasek
Benjamin L. McCash
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.