David J. M. McCallum

Person

  • Kirkcaldy, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Battery separator material

    • Patent number 4,387,144
    • Issue date Jun 7, 1983
    • Tullis Russell & Company Limited
    • David J. M. McCallum
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE