Patents by Inventor Zhengrui Cheng

Zhengrui Cheng 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).

  • Tent
    Patent number: D858675
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: September 3, 2019
    Inventor: Zhengrui Cheng
  • Tent
    Patent number: D921811
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: June 8, 2021
    Assignee: HUANGSHAN CITY HUILINGYANG OUTDOOR PRODUCTS CO., LTD.
    Inventor: Zhengrui Cheng
  • Tent
    Patent number: D933769
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: October 19, 2021
    Assignee: HUANGSHAN CITY HUILINGYANG OUTDOOR PRODUCTS CO., LTD.
    Inventor: Zhengrui Cheng