ELTON YU MAN LEUNG

Person

  • HONG KONG, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Musical teether

    • Patent number 10,507,168
    • Issue date Dec 17, 2019
    • KAR KOI LEUNG
    • Kar Koi Leung
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    MUSICAL TEETHER

    • Publication number 20170304155
    • Publication date Oct 26, 2017
    • KAR KOI LEUNG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE