Granted Patent
Utility
US 4,771,525 · App. 07/081,954
Method and apparatus for making bearing cap
Inventors:
Erin D. Hennon, Thomas Keller
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Aug 5, 1987
Inventors
Erin D. Hennon
Thomas Keller
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.