Granted Patent
Utility
US 4,829,647 · App. 07/132,740
Method of making low friction finger follower rocker arms
Inventors:
Anthony T. Anderson, Nathaniel L. Field
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Dec 14, 1987
Inventors
Anthony T. Anderson
Nathaniel L. Field
Assignee (at issue)
Ford Motor Company
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.