Patents by Inventor Dengguo Jiang

Dengguo Jiang 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).

  • Battery case for phone
    Patent number: D643807
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: August 23, 2011
    Assignee: Cham Battery Technology Co., Ltd.
    Inventor: Dengguo Jiang
  • Spare battery for cell phone
    Patent number: D648270
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: November 8, 2011
    Assignee: Cham Battery Technology Co., Ltd.
    Inventor: Dengguo Jiang