Patents Assigned to Zhejiang Woqu Niuniu Technologies Co., Ltd.
  • Electric scooter
    Patent number: D814978
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: April 10, 2018
    Assignee: Zhejiang Woqu Niuniu Technologies Co., Ltd.
    Inventor: Yongchang Niu