Yat Keung William Yuen

Person

  • Hong Kong, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Breast pump

    • Patent number 7,641,629
    • Issue date Jan 5, 2010
    • Sea Profit (Hong Kong) Limited
    • Yat Keung William Yuen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE