Patents by Inventor I-Hsuan Tseng

I-Hsuan 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).

  • Patent number: D573835
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: July 29, 2008
    Assignees: Kwang Hsieh Enterprise Co., Ltd., Sin Chi Enterprise Co., Ltd.
    Inventors: I-Hsuan Tseng, Szu Ming Chen
  • Patent number: D584924
    Type: Grant
    Filed: January 7, 2008
    Date of Patent: January 20, 2009
    Assignees: Kwang Hsieh Enterprise Co., Ltd., Sin Chi Enterprise Co., Ltd.
    Inventors: I-Hsuan Tseng, Szu Ming Chen