Granted Patent
Utility
US 4,283,963 · App. 06/002,657
Bearing cap retainer for automotive differential unit
Inventors:
John L. Hickey, Gerald A. Wuest
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Jan 11, 1979
Inventors
John L. Hickey
Gerald A. Wuest
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.