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Weifeng DAI

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  • Ningbo, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle
    • Patent number 9,090,302
    • Issue date Jul 28, 2015
    • Weifeng Dai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    BICYCLE
    • Publication number 20140070514
    • Publication date Mar 13, 2014
    • Weifeng DAI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS