Granted Patent
Utility
US 5,048,162 · App. 07/612,532
Manufacturing thin wall steel cartridge cases
Inventor:
Stanley R. Nelson
Patented Case
View Patent ↗
Granted: Sep 17, 1991
Filed: Nov 13, 1990
Inventor
Stanley R. Nelson
Assignee (at issue)
Alliant Techsystems Inc.
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.