Granted Patent
Utility
US 4,567,746 · App. 06/571,237
Method and apparatus for making shells for cans
Inventors:
Henry C. Bachmann, Ermal C. Fraze
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Jan 16, 1984
Inventors
Henry C. Bachmann
Ermal C. Fraze
Assignee (at issue)
Dayton Reliable Tool & Mfg. Co.
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.