Patents by Inventor Shuh-Hwar Yahn

Shuh-Hwar Yahn 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).

  • Flower-shaped projection lamp
    Patent number: D650514
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: December 13, 2011
    Assignee: GD Lighting Technology Co., Ltd.
    Inventors: Chih-Chen Lin, Wen-Chin Lin, Shuh-Hwar Yahn