Granted Patent
Utility
US 5,209,099 · App. 07/490,781
Draw-process methods, systems and tooling for fabricating one-piece can bodies
Inventor:
William T. Saunders
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Mar 8, 1990
Inventor
William T. Saunders
Assignee (at issue)
Weirton Steeel Corporation
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.