Granted Patent
Utility
US 4,863,528 · App. 07/099,445
Aluminum alloy product having improved combinations of strength and corrosion resistance properties and method for producing the same
Inventors:
Melvin H. Brown, James T. Staley, John Liu, Sootae Lee
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Sep 21, 1987
Inventors
Melvin H. Brown
James T. Staley
John Liu
Sootae Lee
Assignee (at issue)
Aluminum Company of America
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.