Granted Patent
Utility
US 6,691,839 · App. 09/356,431
Reduced drag wet disc brake
Inventor:
Raji S. El-Kassouf
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Jul 19, 1999
Inventor
Raji S. El-Kassouf
Assignee (at issue)
AxleTech International IP Holdings, 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.