Granted Patent
Utility
US 4,584,859 · App. 06/768,708
In-line control during draw-redraw of one-piece sheet metal can bodies
Inventor:
William T. Saunders
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Aug 23, 1985
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.