Granted Patent
Utility
US 5,911,809 · App. 09/050,215
Cobalt-tin alloy coating on aluminum by chemical conversion
Inventor:
Carl Cordy
Patented Case
View Patent ↗
Granted: Jun 15, 1999
Filed: Mar 30, 1998
Inventor
Carl Cordy
Assignee (at issue)
Ford Motor 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.