Granted Patent
Utility
US 4,824,624 · App. 06/684,930
Method of manufacturing boron carbide armor tiles
Inventors:
Richard Palicka, John A. Negrych
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Dec 17, 1984
Inventors
Richard Palicka
John A. Negrych
Assignee (at issue)
Ceradyne, 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.