TREA

Alex Wong Chi To

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  • Hong Kong, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bath apparatus
    • Patent number 6,725,471
    • Issue date Apr 27, 2004
    • Homedics, Inc.
    • Roman S. Ferber
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electric toothbrush
    • Patent number D476156
    • Issue date Jun 24, 2003
    • Homedics, Inc.
    • Roman S. Ferber
    • D04 - Brushware
  • Information Patent Grant

    Electric toothbrush
    • Patent number D474894
    • Issue date May 27, 2003
    • Homedics, Inc.
    • Roman S. Ferber
    • D04 - Brushware
  • Information Patent Grant

    Bath apparatus
    • Patent number 6,385,795
    • Issue date May 14, 2002
    • Homedics, Inc.
    • Roman S. Ferber
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE