Granted Patent
Utility
US 5,501,638 · App. 08/219,385
Bearing cup retainer strap for universal joint
Inventor:
James A. Duggan
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Mar 29, 1994
Inventor
James A. Duggan
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.