Granted Patent
Utility
US 4,280,973 · App. 06/094,248
Process for producing Si.sub.3 N.sub.4 base articles by the cold press sinter method
Inventors:
David Moskowitz, Leslie L. Terner
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Nov 14, 1979
Inventors
David Moskowitz
Leslie L. Terner
Assignee (at issue)
Ford Motor 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.