Granted Patent
Utility
US 4,857,249 · App. 07/233,920
Fabrication of rods of uniform high density from powders of refractory materials
Inventors:
Antonio C. Pastor, Anthony L. Gentile, Joseph A. Wysocki
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Aug 16, 1988
Inventors
Antonio C. Pastor
Anthony L. Gentile
Joseph A. Wysocki
Assignee (at issue)
Hughes Aircraft Company
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.