Patents by Inventor Hongyu Cai

Hongyu Cai 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: D953912
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: June 7, 2022
    Inventor: Hongyu Cai
  • Watch strap
    Patent number: D959317
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: August 2, 2022
    Inventor: Hongyu Cai