Patents by Inventor Yingchao Qin

Yingchao Qin 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).

  • Watchband
    Patent number: D993806
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: August 1, 2023
    Inventor: Yingchao Qin
  • Watchband
    Patent number: D993807
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: August 1, 2023
    Inventor: Yingchao Qin
  • Swimming earplug
    Patent number: D1003423
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: October 31, 2023
    Inventor: Yingchao Qin
  • Watchband
    Patent number: D1005146
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: November 21, 2023
    Inventor: Yingchao Qin
  • Teether simulative of a cat
    Patent number: D1022226
    Type: Grant
    Filed: June 9, 2023
    Date of Patent: April 9, 2024
    Inventor: Yingchao Qin