Granted Patent
Utility
US 4,762,024 · App. 07/077,061
Shaft retaining means for a differential gear assembly
Inventor:
John T. Graft
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Jul 23, 1987
Inventor
John T. Graft
Assignee (at issue)
DANA LIMITED
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.