Granted Patent
Utility
US 4,862,722 · App. 07/152,739
Method for forming a shell for a can type container
Inventors:
Ermal C. Fraze, Henry C. Bachmann
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Feb 5, 1988
Inventors
Ermal C. Fraze
Henry C. Bachmann
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.