Granted Patent
Utility
US 5,230,946 · App. 07/417,484
Carbon-carbon composite materials
Inventor:
Ronald Fisher
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Oct 5, 1989
Inventor
Ronald Fisher
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.