TREA

Laurent Roger Spelliers

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  • Chatswood, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Passive valve assembly
    • Patent number 6,883,775
    • Issue date Apr 26, 2005
    • Innogy Plc
    • Michael Willboughby Essex Coney
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Passive valve assembly
    • Publication number 20030168618
    • Publication date Sep 11, 2003
    • Michael Willboughby Essex Coney
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES