Granted Patent
Utility
US 4,600,556 · App. 06/521,060
Dispersion strengthened mechanically alloyed Al-Mg-Li
Inventors:
Stephen J. Donachie, Paul S. Gilman
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Aug 8, 1983
Inventors
Stephen J. Donachie
Paul S. Gilman
Assignee (at issue)
INCO Alloys International, 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.