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Edsel W. Johnson Patents |
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Inventor: Johnson; Edsel W.
Address: Gibsonia, PA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 3984259 |
Aluminum cartridge case |
October 5, 1976 |
| An improved cartridge case is fabricated from rod or bar stock formed from a billet of an alloy containing, by weight, 5.2 to 6.2% Zn, 1.9 to 2.5% Mg, 1.2 to 1.9% Cu, 0.18 to 0.25% Cr, the remainder essentially aluminum. The method of fabrication of the cartridge case from a billet of th |
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