Patents by Inventor Chia-Mo Chen

Chia-Mo 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).

  • Key ring
    Patent number: D308296
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: June 5, 1990
    Inventor: Chia-Mo Chen