TREA

Edsel W. Johnson

Follow

Person

  • Gibsonia, PA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Aluminum cartridge case
    • Patent number 3,984,259
    • Issue date Oct 5, 1976
    • Aluminum Company of America
    • Ralph W. Rogers
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...