Patents by Inventor Chenglei Wan

Chenglei Wan 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).

  • Mechanic creeper mat
    Patent number: D974691
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: January 3, 2023
    Inventor: Chenglei Wan
  • Mechanic creeper mat
    Patent number: D979172
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: February 21, 2023
    Inventor: Chenglei Wan