David Edward Keene

Person

  • London, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Sealants

    • Patent number 4,104,211
    • Issue date Aug 1, 1978
    • British Gas Corporation
    • David Edward Keene
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...