Granted Patent
Utility
US 5,545,435 · App. 08/525,847
Method of making a toughened ceramic composite comprising chemical vapor deposited carbon and ceramic layers on a fibrous preform
Inventor:
Wayne S. Steffier
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Sep 8, 1995
Inventor
Wayne S. Steffier
Assignee (at issue)
Hyper-Therm High-Temperature Composites, Inc.
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.