Granted Patent
Utility
US 4,400,988 · App. 06/288,703
Single gear opposed reaction transmission brake
Inventor:
Jon R. Hagarty
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Jul 30, 1981
Inventor
Jon R. Hagarty
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.