Granted Patent
Utility
US 5,782,320 · App. 08/882,958
Toughened carbon composite brake discs
Inventors:
Ronald Fisher, Thomas G. Fennell, Maurice J. Evans
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Jun 26, 1997
Inventors
Ronald Fisher
Thomas G. Fennell
Maurice J. Evans
Assignee (at issue)
Dunlop GmbH
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.