Granted Patent
Utility
US 5,413,644 · App. 08/184,867
Beryllium-containing alloys of magnesium
Inventors:
James M. Marder, Warren J. Haws
Patented Case
View Patent ↗
Granted: May 9, 1995
Filed: Jan 21, 1994
Inventors
James M. Marder
Warren J. Haws
Assignee (at issue)
BRUSH WELLMAN, 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.