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Robert Dumortier

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  • Beziers (Herault), FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Latch for utility access door
    • Patent number 4,627,249
    • Issue date Dec 9, 1986
    • Robert Dumortier
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Manhole with articulated cover members
    • Patent number 4,508,469
    • Issue date Apr 2, 1985
    • Robert Dumortier
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Manhole cover assembly
    • Patent number 4,364,689
    • Issue date Dec 21, 1982
    • Robert Dumortier
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Latching arrangement for manhole cover
    • Patent number 4,175,781
    • Issue date Nov 27, 1979
    • Robert Dumortier
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVICE FOR LOCKING A BATHROOM DOOR
    • Publication number 20110167884
    • Publication date Jul 14, 2011
    • SOCIETE NATIONALE DES CHEMINS DE FER FRANCAIS SNCF
    • Robert Dumortier
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES