Patents by Inventor ChangKang Tang

ChangKang Tang 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).

  • Undercoat deshedding tool
    Patent number: D932713
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: October 5, 2021
    Assignee: Wuhan Lewei Electronic Commerce Co., Ltd.
    Inventors: ChangKang Tang, Wei Xu
  • Shedding grooming tool
    Patent number: D939154
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: December 21, 2021
    Assignee: Wuhan Lewei Electronic Commerce Co., Ltd.
    Inventors: ChangKang Tang, Wei Xu