TREA

John C. K. Sham

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  • Aberdeen, Hong Kong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid crystal display television panel
    • Patent number D503390
    • Issue date Mar 29, 2005
    • Pentalpha Macau Commercial Offshore Ltd.
    • John C. K. Sham
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electric knife
    • Patent number D449497
    • Issue date Oct 23, 2001
    • John C. K. Sham
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified