TREA

Michael J. Elwell

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  • Birmingham, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric storage battery
    • Patent number 4,374,188
    • Issue date Feb 15, 1983
    • Lucas Industries Limited
    • Stephen W. Campbell
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical storage battery
    • Patent number D266757
    • Issue date Nov 2, 1982
    • Lucas Industries Limited
    • Stephen W. Campbell
    • D13 - Equipment for production, distribution, or transformation of energy