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Lap Yan Chau

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  • Quarry Bay, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-function tool
    • Patent number D426446
    • Issue date Jun 13, 2000
    • Alltrade Inc.
    • Lap Yan Chau
    • D08 - Tools and hardware
  • Information Patent Grant

    Multifunction tool
    • Patent number D426447
    • Issue date Jun 13, 2000
    • Alltrade Inc.
    • Lap Yan Chau
    • D08 - Tools and hardware