Granted Patent
Utility
US 5,647,242 · App. 08/269,687
Fabricating one-piece can bodies with controlled side wall elongation
Inventor:
William T. Saunders
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jul 1, 1994
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.