Granted Patent
Utility
US 4,915,902 · App. 07/156,682
Complex ceramic whisker formation in metal-ceramic composites
Inventors:
John M. Brupbacher, Leontios Christodoulou, Dennis C. Nagle
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Feb 17, 1988
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.