Patents by Inventor Shuanglong Cai

Shuanglong 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: D955254
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: June 21, 2022
    Inventor: Shuanglong Cai
  • Watch strap
    Patent number: D955255
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: June 21, 2022
    Inventor: Shuanglong Cai
  • Watch strap
    Patent number: D955911
    Type: Grant
    Filed: April 25, 2021
    Date of Patent: June 28, 2022
    Inventor: Shuanglong Cai