Granted Patent
Utility
US 5,716,467 · App. 08/328,874
Beryllium-containing alloys of aluminum and semi-solid processing of such alloys
Inventors:
James M. Marder, Warren J. Haws
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: Oct 25, 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.