Granted Patent
Utility
US 5,840,135 · App. 08/643,082
Aluminum-beryllium alloys having high stiffness and low thermal expansion for memory devices
Inventors:
Larry A. Grant, James M. Marder, Wayne L. Wright
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: May 2, 1996
Inventors
Larry A. Grant
James M. Marder
Wayne L. Wright
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.