Patents by Inventor Hongfang Quan

Hongfang Quan 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).

  • Watch strap
    Patent number: D860033
    Type: Grant
    Filed: July 16, 2017
    Date of Patent: September 17, 2019
    Assignee: SHENZHEN HONG FEI XING YE ELECTRONIC TECHNOLOGY CO., LTD.
    Inventor: Hongfang Quan
  • Protective case for laptop
    Patent number: D902215
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: November 17, 2020
    Inventor: Hongfang Quan