Patents by Inventor Chunlan Shi

Chunlan Shi 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).

  • Electronic keypad deadbolt
    Patent number: D981208
    Type: Grant
    Filed: October 13, 2022
    Date of Patent: March 21, 2023
    Inventor: Chunlan Shi
  • Shower mixer valve control
    Patent number: D1001973
    Type: Grant
    Filed: May 7, 2023
    Date of Patent: October 17, 2023
    Inventor: Chunlan Shi