TREA

Lam M. Luen

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  • Singapore-1544, SG
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pile driver, pile drawer and/or drilling machine
    • Patent number 4,785,892
    • Issue date Nov 22, 1988
    • Lam M. Luen
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Rotary head
    • Patent number 4,711,310
    • Issue date Dec 8, 1987
    • Lam M. Luen
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING