Granted Patent
Utility
US 6,503,446 · App. 09/616,015
Corrosion and grain growth resistant aluminum alloy
Inventors:
Baolute Ren, Subhasish Sircar, William A. Cassada, III
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jul 13, 2000
Inventors
Baolute Ren
Subhasish Sircar
William A. Cassada, III
Assignee (at issue)
Reynolds Metals Company
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.