Granted Patent
Utility
US 6,780,259 · App. 10/138,844
Process for making aluminum alloy sheet having excellent bendability
Inventors:
Michael Bull, David Lloyd
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: May 2, 2002
Inventors
Michael Bull
David Lloyd
Assignee (at issue)
Alcan International Limited
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.