Patents by Inventor Binhun Zhang

Binhun 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).

  • Pen
    Patent number: D647961
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: November 1, 2011
    Assignee: Beifa Group Co., Ltd.
    Inventor: Binhun Zhang
  • Pen
    Patent number: D648386
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: November 8, 2011
    Assignee: Beifa Group Co., Ltd.
    Inventor: Binhun Zhang