Patents by Inventor Hong Tu Zhang

Hong Tu Zhang 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).

  • Charger connector
    Patent number: D570286
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: June 3, 2008
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventors: Li-Li Shen, Hong Tu Zhang, Mao Jung Huang
  • SIM card connector
    Patent number: D570291
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: June 3, 2008
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventor: Hong Tu Zhang