Patents by Inventor Chengzhong Long

Chengzhong Long 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).

  • LED face mask
    Patent number: D970652
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: November 22, 2022
    Inventor: Chengzhong Long
  • T-shirt with screen display
    Patent number: D1004254
    Type: Grant
    Filed: May 29, 2023
    Date of Patent: November 14, 2023
    Inventor: Chengzhong Long
  • Helmet display screen
    Patent number: D1033432
    Type: Grant
    Filed: March 21, 2024
    Date of Patent: July 2, 2024
    Inventor: Chengzhong Long
  • Helmet with display screen
    Patent number: D1069248
    Type: Grant
    Filed: July 24, 2024
    Date of Patent: April 1, 2025
    Inventor: Chengzhong Long