Patents by Inventor Junwang Cai

Junwang Cai 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).

  • Bird feeder
    Patent number: D1106600
    Type: Grant
    Filed: January 30, 2025
    Date of Patent: December 16, 2025
    Assignee: dongguanshiyuyizhinengkejiyouxiangongsi
    Inventor: Junwang Cai