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David Blades

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  • Wakefield, GB
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Patents Applicationslast 30 patents

  • Information Patent Application

    IMPROVEMENTS RELATING TO THE SEALING OF PIPE LINERS
    • Publication number 20220186871
    • Publication date Jun 16, 2022
    • W.E.Rawson Limited
    • David John Blades
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    PIPE LINER
    • Publication number 20220105700
    • Publication date Apr 7, 2022
    • W.E.Rawson Limited
    • David Blades
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL