Granted Patent
Utility
US 5,048,571 · App. 07/441,170
Protective cover for end yoke
Inventor:
John Andrew Ellis
Patented Case
View Patent ↗
Granted: Sep 17, 1991
Filed: Nov 27, 1989
Inventor
John Andrew Ellis
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.