Patents by Inventor Wei-Wu Yuan

Wei-Wu Yuan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Work light
    Patent number: D840071
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: February 5, 2019
    Assignee: Ningbo Auma Electric Technology Co., Ltd.
    Inventor: Wei-Wu Yuan
  • Work light
    Patent number: D840072
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: February 5, 2019
    Assignee: Ningbo Auma Electric Technology Co., Ltd.
    Inventor: Wei-Wu Yuan
  • Work light
    Patent number: D853608
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: July 9, 2019
    Assignee: NINGBO AUMA ELECTRIC TECHNOLOGY CO., LTD.
    Inventor: Wei-Wu Yuan