John M. Hayner

Person

  • Towson, MD, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Cartridge with elastic pusher cup

    • Patent number 4,478,150
    • Issue date Oct 23, 1984
    • The United States of America as represented by the Secretary of the Army
    • William M. Sayler
    • F42 - AMMUNITION BLASTING