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David Albert Cyril Royle

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  • Durham, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Suspension system
    • Patent number 6,811,454
    • Issue date Nov 2, 2004
    • British Waterways Board
    • David Albert Cyril Royle
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Vehicle with retractable wheel
    • Publication number 20040112661
    • Publication date Jun 17, 2004
    • David Albert Cyril Royle
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Suspension system
    • Publication number 20030176119
    • Publication date Sep 18, 2003
    • David Albert Cyril Royle
    • B60 - VEHICLES IN GENERAL