TREA

Lai Yin Li

Follow

Person

  • Shatin, HK
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle driven by hands
    • Patent number 9,102,380
    • Issue date Aug 11, 2015
    • Yau Cheung Kwok
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    BICYCLE DRIVEN BY HANDS
    • Publication number 20140353939
    • Publication date Dec 4, 2014
    • GRACE SCIENTIFIC R&D AND CONSULTANT LIMITED
    • Yau Cheung Kwok
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS