Patents by Inventor Hung Kuei Tseng

Hung Kuei Tseng 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).

  • Tool handle
    Patent number: D418385
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: January 4, 2000
    Inventors: Hung Kuei Tseng, Li Jen Wang