Granted Patent
Utility
US 4,896,815 · App. 07/228,257
Method for forming titanium aluminide-ductile titanium aluminum alloy matrix composites
Inventors:
Dan Rosenthal, Joseph A. Goebel
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Aug 4, 1988
Inventors
Dan Rosenthal
Joseph A. Goebel
Assignee (at issue)
Avco Lycoming
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.