Patents Assigned to NINGBO YUSING OPTOELECTONIC TECHNOLOGY CO., LTD.
  • Chargeable working light
    Patent number: D797340
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: September 12, 2017
    Assignee: NINGBO YUSING OPTOELECTONIC TECHNOLOGY CO., LTD.
    Inventor: Xiaoyu Cai