Granted Patent
Utility
US 5,059,490 · App. 07/366,725
Metal-ceramic composites containing complex ceramic whiskers
Inventors:
John M. Brupbacher, Leontios Christodoulou, Dennis C. Nagle
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: Jun 15, 1989
Inventors
John M. Brupbacher
Leontios Christodoulou
Dennis C. Nagle
Assignee (at issue)
LOCKHEED MARTIN CORPORATION
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.