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Ray Chan

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  • Kowloon, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball and methods for making the same
    • Patent number 5,711,729
    • Issue date Jan 27, 1998
    • Joyful Long International Ltd.
    • Raymond Chong Veng Chan
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Holding clip
    • Patent number 5,025,643
    • Issue date Jun 25, 1991
    • International Cultured Pearl Company, Inc.
    • David Chan
    • A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents