Granted Patent
Utility
US 4,969,653 · App. 07/416,900
Radial lip oil seal
Inventor:
Bryan Breen
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Oct 4, 1989
Inventor
Bryan Breen
Assignee (at issue)
Federal-Mogul LLC
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.