Stephen B. Richardson

Person

  • Blackall's Park, AU

Patents Grantslast 30 patents

  • Information Patent Grant

    Sound attenuation with foam

    • Patent number 4,964,329
    • Issue date Oct 23, 1990
    • Broken Hill Proprietary Co., Ltd.
    • Neville T. Moxon
    • F42 - AMMUNITION BLASTING