TREA

Ka-Shiu Luk

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  • Hong Kong, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toy dart and toy gun for launching the same
    • Patent number 5,645,038
    • Issue date Jul 8, 1997
    • Heep Tung Manufactory Limited
    • Ka Shiu Luk
    • F41 - WEAPONS
  • Information Patent Grant

    Water-ejection toy
    • Patent number 5,605,253
    • Issue date Feb 25, 1997
    • Heep Tung Manufactory Limited
    • Ka-Shiu Luk
    • F41 - WEAPONS
  • Information Patent Grant

    Water pistol
    • Patent number 4,492,318
    • Issue date Jan 8, 1985
    • Heep Tung Manufactory Limited
    • Ka-Shiu Luk
    • F41 - WEAPONS