Patents by Inventor Shan-Pin Chang

Shan-Pin Chang 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).

  • Sleeve for tablet PC
    Patent number: D641756
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: July 19, 2011
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventors: Jung-Kun Hsieh, Guan-Hua Tzeng, Shan-Pin Chang
  • Sleeve for tablet PC
    Patent number: D643433
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: August 16, 2011
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventors: Jung-Kun Hsieh, Guan-Hua Tzeng, Shan-Pin Chang
  • Sleeve for tablet PC
    Patent number: D643843
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: August 23, 2011
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventors: Jung-Kun Hsieh, Guan-Hua Tzeng, Shan-Pin Chang