Granted Patent
Utility
US 5,455,106 · App. 08/132,524
Multilayer fiber coating comprising alternate fugitive carbon and ceramic coating material for toughened ceramic composite materials
Inventor:
Wayne S. Steffier
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Oct 6, 1993
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.