Granted Patent
Utility
US 5,486,251 · App. 07/629,923
High flexural strength carbon fiber reinforced silicon carboxide composite
Inventor:
Roger Leung
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Dec 19, 1990
Inventor
Roger Leung
Assignee (at issue)
AlliedSignal, 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.