Granted Patent
Utility
US 4,976,790 · App. 07/315,408
Process for preparing low earing aluminum alloy strip
Inventors:
Donald C. McAuliffe, Ivan M. Marsh
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Feb 24, 1989
Inventors
Donald C. McAuliffe
Ivan M. Marsh
Assignee (at issue)
Golden Aluminum, 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.