Patents by Inventor Honghua Zhao Zhao

Honghua Zhao Zhao 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).

  • Tree stand
    Patent number: D904221
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: December 8, 2020
    Assignee: NINGBO TREE NEST INTERNATIONAL TRADING CO., LTD.
    Inventor: Honghua Zhao Zhao
  • Tree stand
    Patent number: D904222
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: December 8, 2020
    Assignee: NINGBO TREE NEST INTERNATIONAL TRADING CO., LTD.
    Inventor: Honghua Zhao Zhao