Patents by Inventor Tsong-Yu Lei

Tsong-Yu Lei 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).

  • Fan blade
    Patent number: D463021
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: September 17, 2002
    Assignee: Delta Electronics Inc.
    Inventors: Wen-Shi Huang, Kuo-Cheng Lin, Tsong-Yu Lei, Yu-Hung Huang