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David J. B. Perkins

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  • Woolton, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for laying a continuous strip of elastomeric material ont...
    • Patent number 4,871,409
    • Issue date Oct 3, 1989
    • Apsley Metals Limited
    • David J. B. Perkins
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Cord guide device
    • Patent number 4,869,773
    • Issue date Sep 26, 1989
    • Apsley Metals Limited
    • David J. B. Perkins
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Device for cutting reinforced elastomeric plies
    • Patent number 4,779,498
    • Issue date Oct 25, 1988
    • Apsley Metals Limited
    • David J. B. Perkins
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL