Patents by Inventor Congyn Chen

Congyn Chen 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).

  • Patent number: D791508
    Type: Grant
    Filed: March 13, 2016
    Date of Patent: July 11, 2017
    Assignee: Shenzhen Lain Da Sponge Product Co., Ltd
    Inventor: Congyn Chen