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Arthur Graham Abraham

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  • Aberdeen, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Buoyancy device
    • Patent number 6,460,476
    • Issue date Oct 8, 2002
    • Controlled Variable Buoyancy Systems Limited
    • Arthur Graham Abraham
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Buoyancy device
    • Patent number 6,269,761
    • Issue date Aug 7, 2001
    • Controlled Variable Buoyancy Systems Limited
    • Arthur Graham Abraham
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING